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317930645832 = 233172113693089
BaseRepresentation
bin1001010000001100010…
…01001010100101001000
31010101122010121012201220
410220012021022211020
520202110221131312
6402015541042040
731653421620612
oct4500611124510
91111563535656
10317930645832
11112919619968
125174a3b6320
1323c99888607
1411560677db2
15840b917c8c
hex4a0624a948

317930645832 has 64 divisors (see below), whose sum is σ = 845569886400. Its totient is φ = 99270205440.

The previous prime is 317930645803. The next prime is 317930645899. The reversal of 317930645832 is 238546039713.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760457 + ... + 1932632.

It is an arithmetic number, because the mean of its divisors is an integer number (13212029475).

It is a 1-persistent number, because it is pandigital, but 2⋅317930645832 = 635861291664 is not.

Almost surely, 2317930645832 is an apocalyptic number.

It is an amenable number.

317930645832 is an abundant number, since it is smaller than the sum of its proper divisors (527639240568).

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

317930645832 is a wasteful number, since it uses less digits than its factorization.

317930645832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693326 (or 3693322 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 317930645832 in words is "three hundred seventeen billion, nine hundred thirty million, six hundred forty-five thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 211 408 422 633 844 1266 1688 2532 3587 5064 7174 10761 14348 21522 28696 43044 86088 3693089 7386178 11079267 14772356 22158534 29544712 44317068 62782513 88634136 125565026 188347539 251130052 376695078 502260104 753390156 779241779 1506780312 1558483558 2337725337 3116967116 4675450674 6233934232 9350901348 13247110243 18701802696 26494220486 39741330729 52988440972 79482661458 105976881944 158965322916 317930645832