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74682865868 = 22135581257339
BaseRepresentation
bin100010110001101110…
…0100001100011001100
321010202202222200012012
41011203130201203030
52210422303201433
654150413000352
75252465612552
oct1054334414314
9233682880165
1074682865868
1129744592556
12125831830b8
1370726895c0
143886923bd2
151e217c1848
hex11637218cc

74682865868 has 24 divisors (see below), whose sum is σ = 140774244240. Its totient is φ = 34462704960.

The previous prime is 74682865867. The next prime is 74682865871. The reversal of 74682865868 is 86856828647.

It is a junction number, because it is equal to n+sod(n) for n = 74682865798 and 74682865807.

It is not an unprimeable number, because it can be changed into a prime (74682865867) 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, 161543 + ... + 418881.

It is an arithmetic number, because the mean of its divisors is an integer number (5865593510).

Almost surely, 274682865868 is an apocalyptic number.

It is an amenable number.

74682865868 is a deficient number, since it is larger than the sum of its proper divisors (66091378372).

74682865868 is a wasteful number, since it uses less digits than its factorization.

74682865868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262937 (or 262935 counting only the distinct ones).

The product of its digits is 247726080, while the sum is 68.

The spelling of 74682865868 in words is "seventy-four billion, six hundred eighty-two million, eight hundred sixty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 13 26 52 5581 11162 22324 72553 145106 257339 290212 514678 1029356 3345407 6690814 13381628 1436208959 2872417918 5744835836 18670716467 37341432934 74682865868