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68051474023964 = 2217012868505991
BaseRepresentation
bin11110111100100011101111…
…11011111000011000011100
322220221122202020020021012112
433132101313323320120130
532404423404322231324
6400422225433253152
720222361652066454
oct1736216773703034
9286848666207175
1068051474023964
111a757516a96412
1277709b8b641b8
132bc82c370b0a2
1412b39cd3a6d64
157d02959c5c0e
hex3de477ef861c

68051474023964 has 6 divisors (see below), whose sum is σ = 119090079541944. Its totient is φ = 34025737011980.

The previous prime is 68051474023961. The next prime is 68051474023987. The reversal of 68051474023964 is 46932047415086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68051474023961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8506434252992 + ... + 8506434252999.

It is an arithmetic number, because the mean of its divisors is an integer number (19848346590324).

It is a 1-persistent number, because it is pandigital, but 2⋅68051474023964 = 136102948047928 is not.

Almost surely, 268051474023964 is an apocalyptic number.

It is an amenable number.

68051474023964 is a deficient number, since it is larger than the sum of its proper divisors (51038605517980).

68051474023964 is a wasteful number, since it uses less digits than its factorization.

68051474023964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17012868505995 (or 17012868505993 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 68051474023964 in words is "sixty-eight trillion, fifty-one billion, four hundred seventy-four million, twenty-three thousand, nine hundred sixty-four".

Divisors: 1 2 4 17012868505991 34025737011982 68051474023964