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30974843420160 = 293519031211927
BaseRepresentation
bin1110000101011111001001…
…00010011111111000000000
311001200011111002120111222220
413002233210202133320000
513024442434403421120
6145513351400531040
76344600331630663
oct702574442377000
9131604432514886
1030974843420160
1199623a26641a2
123583170480a80
131438bb890a793
1479129472b6da
1538aad7c3db40
hex1c2be489fe00

30974843420160 has 160 divisors (see below), whose sum is σ = 99028373064192. Its totient is φ = 8259485245440.

The previous prime is 30974843420083. The next prime is 30974843420161. The reversal of 30974843420160 is 6102434847903.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30974843420161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146052117 + ... + 146264043.

Almost surely, 230974843420160 is an apocalyptic number.

30974843420160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30974843420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49514186532096).

30974843420160 is an abundant number, since it is smaller than the sum of its proper divisors (68053529644032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30974843420160 is a wasteful number, since it uses less digits than its factorization.

30974843420160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230984 (or 230968 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 30974843420160 in words is "thirty trillion, nine hundred seventy-four billion, eight hundred forty-three million, four hundred twenty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1536 1920 2560 3840 7680 19031 38062 57093 76124 95155 114186 152248 190310 211927 228372 285465 304496 380620 423854 456744 570930 608992 635781 761240 847708 913488 1059635 1141860 1217984 1271562 1522480 1695416 1826976 2119270 2283720 2435968 2543124 3044960 3178905 3390832 3653952 4238540 4567440 4871936 5086248 6089920 6357810 6781664 7307904 8477080 9134880 9743872 10172496 12179840 12715620 13563328 14615808 16954160 18269760 20344992 24359680 25431240 27126656 29231616 33908320 36539520 40689984 48719360 50862480 54253312 67816640 73079040 81379968 101724960 108506624 135633280 146158080 162759936 203449920 271266560 325519872 406899840 542533120 813799680 1627599360 4033182737 8066365474 12099548211 16132730948 20165913685 24199096422 32265461896 40331827370 48398192844 60497741055 64530923792 80663654740 96796385688 120995482110 129061847584 161327309480 193592771376 241990964220 258123695168 322654618960 387185542752 483981928440 516247390336 645309237920 774371085504 967963856880 1032494780672 1290618475840 1548742171008 1935927713760 2064989561344 2581236951680 3097484342016 3871855427520 5162473903360 6194968684032 7743710855040 10324947806720 15487421710080 30974843420160