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76624042668 = 22323977284159
BaseRepresentation
bin100011101011100100…
…1100001101010101100
321022210001122200011020
41013113021201222230
52223411223331133
655111155054140
75351546421255
oct1072711415254
9238701580136
1076624042668
112a5503023a8
1212a252a1350
1372c18a9524
1439cc669b2c
151ed6e150b3
hex11d7261aac

76624042668 has 48 divisors (see below), whose sum is σ = 186754498560. Its totient is φ = 24405762304.

The previous prime is 76624042637. The next prime is 76624042679. The reversal of 76624042668 is 86624042667.

It is a self number, because there is not a number n which added to its sum of digits gives 76624042668.

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, 127573 + ... + 411731.

It is an arithmetic number, because the mean of its divisors is an integer number (3890718720).

Almost surely, 276624042668 is an apocalyptic number.

It is an amenable number.

76624042668 is an abundant number, since it is smaller than the sum of its proper divisors (110130455892).

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

76624042668 is a wasteful number, since it uses less digits than its factorization.

76624042668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285166 (or 285164 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 51.

Subtracting 76624042668 from its reverse (86624042667), we obtain a palindrome (9999999999).

The spelling of 76624042668 in words is "seventy-six billion, six hundred twenty-four million, forty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 977 1954 2931 3908 5862 11724 22471 44942 67413 89884 134826 269652 284159 568318 852477 1136636 1704954 3409908 6535657 13071314 19606971 26142628 39213942 78427884 277623343 555246686 832870029 1110493372 1665740058 3331480116 6385336889 12770673778 19156010667 25541347556 38312021334 76624042668