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76690268694 = 23313109245397
BaseRepresentation
bin100011101101100011…
…0001010001000010110
321022221200021022012000
41013123012022020112
52224030202044234
655121522340130
75353312346124
oct1073306121026
9238850238160
1076690268694
112a584725a56
1212a434ba646
137302526320
1439d7388914
151edcb47899
hex11db18a216

76690268694 has 32 divisors (see below), whose sum is σ = 183532268640. Its totient is φ = 23597005536.

The previous prime is 76690268639. The next prime is 76690268701. The reversal of 76690268694 is 49686209667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54621997 + ... + 54623400.

It is an arithmetic number, because the mean of its divisors is an integer number (5735383395).

Almost surely, 276690268694 is an apocalyptic number.

76690268694 is an abundant number, since it is smaller than the sum of its proper divisors (106841999946).

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

76690268694 is a wasteful number, since it uses less digits than its factorization.

76690268694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109245421 (or 109245415 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 76690268694 in words is "seventy-six billion, six hundred ninety million, two hundred sixty-eight thousand, six hundred ninety-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 109245397 218490794 327736191 655472382 983208573 1420190161 1966417146 2840380322 2949625719 4260570483 5899251438 8521140966 12781711449 25563422898 38345134347 76690268694