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34087324720 = 2453131094421
BaseRepresentation
bin11111101111110000…
…110100110000110000
310020222121022111211011
4133233300310300300
51024302323342340
623354241400304
72314500323311
oct375760646060
9106877274734
1034087324720
1113502451649
126733939094
1332a310cb37
141915210608
15d4789d0ea
hex7efc34c30

34087324720 has 80 divisors (see below), whose sum is σ = 81854403840. Its totient is φ = 13187865600.

The previous prime is 34087324703. The next prime is 34087324727. The reversal of 34087324720 is 2742378043.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (34087324727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7708110 + ... + 7712530.

It is an arithmetic number, because the mean of its divisors is an integer number (1023180048).

Almost surely, 234087324720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34087324720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40927201920).

34087324720 is an abundant number, since it is smaller than the sum of its proper divisors (47767079120).

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

34087324720 is a wasteful number, since it uses less digits than its factorization.

34087324720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 34087324720 in words is "thirty-four billion, eighty-seven million, three hundred twenty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 3109 4421 6218 8842 12436 15545 17684 22105 24872 31090 35368 44210 49744 62180 70736 88420 96379 124360 137051 176840 192758 248720 274102 353680 385516 481895 548204 685255 771032 963790 1096408 1370510 1542064 1927580 2192816 2741020 3855160 5482040 7710320 10964080 13744889 27489778 54979556 68724445 109959112 137448890 219918224 274897780 426091559 549795560 852183118 1099591120 1704366236 2130457795 3408732472 4260915590 6817464944 8521831180 17043662360 34087324720