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4121799680 = 21053125969
BaseRepresentation
bin1111010110101101…
…1010110000000000
3101122020220010012102
43311223122300000
531420140042210
61521000245532
7204066501455
oct36553326000
911566803172
104121799680
111825715119
129704708a8
13508c2882b
142b15bb82c
15191cd3ea5
hexf5adac00

4121799680 has 88 divisors (see below), whose sum is σ = 10206833280. Its totient is φ = 1595473920.

The previous prime is 4121799679. The next prime is 4121799691. The reversal of 4121799680 is 869971214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145736 + ... + 171704.

Almost surely, 24121799680 is an apocalyptic number.

4121799680 is a gapful number since it is divisible by the number (40) 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 4121799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5103416640).

4121799680 is an abundant number, since it is smaller than the sum of its proper divisors (6085033600).

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

4121799680 is a wasteful number, since it uses less digits than its factorization.

4121799680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26025 (or 26007 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 4121799680 is about 64201.2436016624. The cubic root of 4121799680 is about 1603.3523047112.

The spelling of 4121799680 in words is "four billion, one hundred twenty-one million, seven hundred ninety-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 256 310 320 496 512 620 640 992 1024 1240 1280 1984 2480 2560 3968 4960 5120 7936 9920 15872 19840 25969 31744 39680 51938 79360 103876 129845 158720 207752 259690 415504 519380 805039 831008 1038760 1610078 1662016 2077520 3220156 3324032 4025195 4155040 6440312 6648064 8050390 8310080 12880624 13296128 16100780 16620160 25761248 26592256 32201560 33240320 51522496 64403120 66480640 103044992 128806240 132961280 206089984 257612480 412179968 515224960 824359936 1030449920 2060899840 4121799680