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66107362492 = 2219869833717
BaseRepresentation
bin111101100100010011…
…100100110010111100
320022122010122222002001
4331210103210302330
52040341441044432
650211434112044
74530126211153
oct754423446274
9208563588061
1066107362492
1126043978986
121098b27b624
136306b46952
1432b1a4c59a
151abd9e69e7
hexf644e4cbc

66107362492 has 12 divisors (see below), whose sum is σ = 121776720520. Its totient is φ = 31314013776.

The previous prime is 66107362463. The next prime is 66107362493. The reversal of 66107362492 is 29426370166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66107362493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434916783 + ... + 434916934.

Almost surely, 266107362492 is an apocalyptic number.

It is an amenable number.

66107362492 is a deficient number, since it is larger than the sum of its proper divisors (55669358028).

66107362492 is a wasteful number, since it uses less digits than its factorization.

66107362492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869833740 (or 869833738 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 66107362492 in words is "sixty-six billion, one hundred seven million, three hundred sixty-two thousand, four hundred ninety-two".

Divisors: 1 2 4 19 38 76 869833717 1739667434 3479334868 16526840623 33053681246 66107362492