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76689788530 = 2517474389799
BaseRepresentation
bin100011101101100010…
…0010100111001110010
321022221122100220112011
41013123010110321302
52224030041213110
655121504153134
75353305306205
oct1073304247162
9238848326464
1076689788530
112a584428223
1212a433087aa
1373023b88c4
1439d72a193c
151edcaa048a
hex11db114e72

76689788530 has 16 divisors (see below), whose sum is σ = 138120667200. Its totient is φ = 30658349232.

The previous prime is 76689788507. The next prime is 76689788551. The reversal of 76689788530 is 3588798667.

It is a super-2 number, since 2×766897885302 (a number of 23 digits) contains 22 as substring.

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, 2177430 + ... + 2212369.

It is an arithmetic number, because the mean of its divisors is an integer number (8632541700).

Almost surely, 276689788530 is an apocalyptic number.

76689788530 is a deficient number, since it is larger than the sum of its proper divisors (61430878670).

76689788530 is a wasteful number, since it uses less digits than its factorization.

76689788530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391553.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 76689788530 in words is "seventy-six billion, six hundred eighty-nine million, seven hundred eighty-eight thousand, five hundred thirty".

Divisors: 1 2 5 10 1747 3494 8735 17470 4389799 8779598 21948995 43897990 7668978853 15337957706 38344894265 76689788530