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68094915118 = 21271571707581
BaseRepresentation
bin111111011010110001…
…011111001000101110
320111202122121002201021
4333122301133020232
52103424244240433
651140554204354
74630312141216
oct773261371056
9214678532637
1068094915118
112697389365a
1211244a236ba
1365628534a9
14341d9c7246
151b8824b22d
hexfdac5f22e

68094915118 has 16 divisors (see below), whose sum is σ = 103602415104. Its totient is φ = 33564192480.

The previous prime is 68094915103. The next prime is 68094915127. The reversal of 68094915118 is 81151949086.

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, 813913 + ... + 893668.

It is an arithmetic number, because the mean of its divisors is an integer number (6475150944).

Almost surely, 268094915118 is an apocalyptic number.

68094915118 is a deficient number, since it is larger than the sum of its proper divisors (35507499986).

68094915118 is a wasteful number, since it uses less digits than its factorization.

68094915118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707867.

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 68094915118 in words is "sixty-eight billion, ninety-four million, nine hundred fifteen thousand, one hundred eighteen".

Divisors: 1 2 127 157 254 314 19939 39878 1707581 3415162 216862787 268090217 433725574 536180434 34047457559 68094915118