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68293752204 = 22379131954617
BaseRepresentation
bin111111100110100111…
…111111010110001100
320112021111202001220210
4333212213333112030
52104331200032304
651212420042420
74635245213166
oct774647772614
9215244661823
1068293752204
1126a66051927
121129b533410
136594ac1382
14343c185936
151b9a925c89
hexfe69ff58c

68293752204 has 48 divisors (see below), whose sum is σ = 161494502400. Its totient is φ = 22458973056.

The previous prime is 68293752173. The next prime is 68293752211. The reversal of 68293752204 is 40225739286.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223104 + ... + 1277720.

It is an arithmetic number, because the mean of its divisors is an integer number (3364468800).

Almost surely, 268293752204 is an apocalyptic number.

It is an amenable number.

68293752204 is an abundant number, since it is smaller than the sum of its proper divisors (93200750196).

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

68293752204 is a wasteful number, since it uses less digits than its factorization.

68293752204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56022 (or 56020 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 68293752204 in words is "sixty-eight billion, two hundred ninety-three million, seven hundred fifty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 1319 2638 3957 5276 7914 15828 54617 104201 109234 163851 208402 218468 312603 327702 416804 625206 655404 1250412 4314743 8629486 12944229 17258972 25888458 51776916 72039823 144079646 216119469 288159292 432238938 864477876 5691146017 11382292034 17073438051 22764584068 34146876102 68293752204