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39320161968 = 24317421111443
BaseRepresentation
bin100100100111101010…
…100000111010110000
310202111021211012001010
4210213222200322300
51121011430140333
630021411310520
72561250601503
oct444752407260
9122437735033
1039320161968
111574822a72a
1277542ab440
133928282239
141c901a113a
151051e98563
hex927aa0eb0

39320161968 has 80 divisors (see below), whose sum is σ = 107587149696. Its totient is φ = 12331729920.

The previous prime is 39320161961. The next prime is 39320161999. The reversal of 39320161968 is 86916102393.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (39320161961) 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, 3430455 + ... + 3441897.

Almost surely, 239320161968 is an apocalyptic number.

It is an amenable number.

39320161968 is an abundant number, since it is smaller than the sum of its proper divisors (68266987728).

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

39320161968 is a wasteful number, since it uses less digits than its factorization.

39320161968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15682 (or 15676 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 39320161968 in words is "thirty-nine billion, three hundred twenty million, one hundred sixty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 4211 8422 11443 12633 16844 22886 25266 33688 34329 45772 50532 67376 68658 71587 91544 101064 137316 143174 183088 194531 202128 214761 274632 286348 389062 429522 549264 572696 583593 778124 859044 1145392 1167186 1556248 1718088 2334372 3112496 3436176 4668744 9337488 48186473 96372946 144559419 192745892 289118838 385491784 578237676 770983568 819170041 1156475352 1638340082 2312950704 2457510123 3276680164 4915020246 6553360328 9830040492 13106720656 19660080984 39320161968