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68047334358 = 2317667130729
BaseRepresentation
bin111111010111111011…
…111110101111010110
320111122100001202011220
4333113323332233112
52103330104144413
651132134311210
74626163540623
oct772773765726
9214570052156
1068047334358
1126949a45513
1211230ab8506
136555a342b3
14341755d34a
151b83e9d223
hexfd7efebd6

68047334358 has 16 divisors (see below), whose sum is σ = 144100237680. Its totient is φ = 21348183296.

The previous prime is 68047334351. The next prime is 68047334363. The reversal of 68047334358 is 85343374086.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 68047334358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68047334351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333565263 + ... + 333565466.

It is an arithmetic number, because the mean of its divisors is an integer number (9006264855).

Almost surely, 268047334358 is an apocalyptic number.

68047334358 is an abundant number, since it is smaller than the sum of its proper divisors (76052903322).

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

68047334358 is a wasteful number, since it uses less digits than its factorization.

68047334358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667130751.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 68047334358 in words is "sixty-eight billion, forty-seven million, three hundred thirty-four thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 17 34 51 102 667130729 1334261458 2001392187 4002784374 11341222393 22682444786 34023667179 68047334358