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68279365682 = 21116339174861
BaseRepresentation
bin111111100101110001…
…000111000000110010
320112020111200011022122
4333211301013000302
52104314004200212
651211143434242
74635012014033
oct774561070062
9215214604278
1068279365682
1126a58a16040
1211296755982
136591b25038
14343a2bca8a
151b99533272
hexfe5c47032

68279365682 has 32 divisors (see below), whose sum is σ = 112467161664. Its totient is φ = 30831451200.

The previous prime is 68279365681. The next prime is 68279365699. The reversal of 68279365682 is 28656397286.

68279365682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (68279365681) 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, 14043932 + ... + 14048792.

It is an arithmetic number, because the mean of its divisors is an integer number (3514598802).

Almost surely, 268279365682 is an apocalyptic number.

68279365682 is a deficient number, since it is larger than the sum of its proper divisors (44187795982).

68279365682 is a wasteful number, since it uses less digits than its factorization.

68279365682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954.

The product of its digits is 52254720, while the sum is 62.

The spelling of 68279365682 in words is "sixty-eight billion, two hundred seventy-nine million, three hundred sixty-five thousand, six hundred eighty-two".

Divisors: 1 2 11 22 163 326 1793 3586 3917 4861 7834 9722 43087 53471 86174 106942 638471 792343 1276942 1584686 7023181 8715773 14046362 17431546 19040537 38081074 209445907 418891814 3103607531 6207215062 34139682841 68279365682