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77384050764 = 2236448670897
BaseRepresentation
bin100100000010001110…
…0101110100001001100
321101202000202002021020
41020010130232201030
52231440304111024
655314424434140
75406435402306
oct1100434564114
9241660662236
1077384050764
112a900308769
1212bb7918950
1373b3199467
143a61584976
15202d9dc979
hex120472e84c

77384050764 has 12 divisors (see below), whose sum is σ = 180562785144. Its totient is φ = 25794683584.

The previous prime is 77384050759. The next prime is 77384050787. The reversal of 77384050764 is 46705048377.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224335437 + ... + 3224335460.

It is an arithmetic number, because the mean of its divisors is an integer number (15046898762).

Almost surely, 277384050764 is an apocalyptic number.

It is an amenable number.

77384050764 is an abundant number, since it is smaller than the sum of its proper divisors (103178734380).

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

77384050764 is a wasteful number, since it uses less digits than its factorization.

77384050764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448670904 (or 6448670902 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 77384050764 in words is "seventy-seven billion, three hundred eighty-four million, fifty thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 6448670897 12897341794 19346012691 25794683588 38692025382 77384050764