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68977295792 = 2418123818127
BaseRepresentation
bin100000000111101011…
…1100000000110110000
320121001010221200102222
41000033113200012300
52112231141431132
651404314500212
74661215224506
oct1001727400660
9217033850388
1068977295792
1127286981289
1211450434668
1366735bb232
1434a4c78676
151bda947412
hex100f5e01b0

68977295792 has 20 divisors (see below), whose sum is σ = 134381878176. Its totient is φ = 34298101440.

The previous prime is 68977295773. The next prime is 68977295809. The reversal of 68977295792 is 29759277986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11906168 + ... + 11911959.

Almost surely, 268977295792 is an apocalyptic number.

It is an amenable number.

68977295792 is a deficient number, since it is larger than the sum of its proper divisors (65404582384).

68977295792 is a wasteful number, since it uses less digits than its factorization.

68977295792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23818316 (or 23818310 counting only the distinct ones).

The product of its digits is 240045120, while the sum is 71.

The spelling of 68977295792 in words is "sixty-eight billion, nine hundred seventy-seven million, two hundred ninety-five thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 181 362 724 1448 2896 23818127 47636254 95272508 190545016 381090032 4311080987 8622161974 17244323948 34488647896 68977295792