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65130442524 = 2233786151379
BaseRepresentation
bin111100101010000100…
…111010111100011100
320020010001102021211000
4330222010322330130
52031341343130044
645530455230300
74463664425040
oct745204727434
9206101367730
1065130442524
1125692489504
1210758078390
1361ac62aab4
14321bdcc020
151a62d73d69
hexf2a13af1c

65130442524 has 48 divisors (see below), whose sum is σ = 192979091200. Its totient is φ = 18608697648.

The previous prime is 65130442501. The next prime is 65130442529. The reversal of 65130442524 is 42524403156.

65130442524 is a `hidden beast` number, since 65 + 1 + 30 + 4 + 42 + 524 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65130442529) 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 15 ways as a sum of consecutive naturals, for example, 43074934 + ... + 43076445.

Almost surely, 265130442524 is an apocalyptic number.

It is an amenable number.

65130442524 is an abundant number, since it is smaller than the sum of its proper divisors (127848648676).

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

65130442524 is a wasteful number, since it uses less digits than its factorization.

65130442524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86151399 (or 86151391 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 65130442524 in words is "sixty-five billion, one hundred thirty million, four hundred forty-two thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 86151379 172302758 258454137 344605516 516908274 603059653 775362411 1033816548 1206119306 1550724822 1809178959 2326087233 2412238612 3101449644 3618357918 4652174466 5427536877 7236715836 9304348932 10855073754 16282610631 21710147508 32565221262 65130442524