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68630672870328 = 23317316529545489
BaseRepresentation
bin11111001101011010100101…
…11000001000101110111000
3100000000000202121001020021010
433212231102320020232320
532443421104223322303
6401544255034513520
720312255024050632
oct1746552270105670
9300000677036233
1068630672870328
111a960117701348
1278451015958a0
132c3aac99c595a
1412d3a56bb9a52
157e03945c3c03
hex3e6b52e08bb8

68630672870328 has 32 divisors (see below), whose sum is σ = 172568454915600. Its totient is φ = 22744654591488.

The previous prime is 68630672870317. The next prime is 68630672870341. The reversal of 68630672870328 is 82307827603686.

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, 8264768593 + ... + 8264776896.

Almost surely, 268630672870328 is an apocalyptic number.

It is an amenable number.

68630672870328 is an abundant number, since it is smaller than the sum of its proper divisors (103937782045272).

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

68630672870328 is a wasteful number, since it uses less digits than its factorization.

68630672870328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529545671 (or 16529545667 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 66.

The spelling of 68630672870328 in words is "sixty-eight trillion, six hundred thirty billion, six hundred seventy-two million, eight hundred seventy thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 173 346 519 692 1038 1384 2076 4152 16529545489 33059090978 49588636467 66118181956 99177272934 132236363912 198354545868 396709091736 2859611369597 5719222739194 8578834108791 11438445478388 17157668217582 22876890956776 34315336435164 68630672870328