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76835653868 = 22677115432617
BaseRepresentation
bin100011110001111000…
…0110000100011101100
321100022210211122011002
41013203300300203230
52224324411410433
655144154415432
75360026165451
oct1074360604354
9240283748132
1076835653868
112a6497a5a96
1212a84131578
13732669a85c
143a0c7d1828
151eea7b49e8
hex11e3c308ec

76835653868 has 48 divisors (see below), whose sum is σ = 138534004224. Its totient is φ = 37272977280.

The previous prime is 76835653859. The next prime is 76835653889. The reversal of 76835653868 is 86835653867.

It is a super-2 number, since 2×768356538682 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29358896 + ... + 29361512.

It is an arithmetic number, because the mean of its divisors is an integer number (2886125088).

Almost surely, 276835653868 is an apocalyptic number.

It is an amenable number.

76835653868 is a deficient number, since it is larger than the sum of its proper divisors (61698350356).

76835653868 is a wasteful number, since it uses less digits than its factorization.

76835653868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302 (or 4300 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 65.

Subtracting 76835653868 from its reverse (86835653867), we obtain a palindrome (9999999999).

The spelling of 76835653868 in words is "seventy-six billion, eight hundred thirty-five million, six hundred fifty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 67 71 134 142 268 284 1543 2617 3086 4757 5234 6172 9514 10468 19028 103381 109553 175339 185807 206762 219106 350678 371614 413524 438212 701356 743228 4038031 7340051 8076062 12449069 14680102 16152124 24898138 29360204 49796276 270548077 286700201 541096154 573400402 1082192308 1146800804 19208913467 38417826934 76835653868