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51842555804 = 22136116979631
BaseRepresentation
bin110000010010000011…
…101001111110011100
311221210222220201000102
4300102003221332130
51322133143241204
635452141520232
73513464311364
oct602203517634
9157728821012
1051842555804
111aa93853546
12a069b73078
134b7270ca30
14271b3239a4
15153650741e
hexc120e9f9c

51842555804 has 48 divisors (see below), whose sum is σ = 99373806336. Its totient is φ = 23518771200.

The previous prime is 51842555801. The next prime is 51842555857. The reversal of 51842555804 is 40855524815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51842555801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5378069 + ... + 5387699.

It is an arithmetic number, because the mean of its divisors is an integer number (2070287632).

Almost surely, 251842555804 is an apocalyptic number.

It is an amenable number.

51842555804 is a deficient number, since it is larger than the sum of its proper divisors (47531250532).

51842555804 is a wasteful number, since it uses less digits than its factorization.

51842555804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406 (or 11404 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 47.

The spelling of 51842555804 in words is "fifty-one billion, eight hundred forty-two million, five hundred fifty-five thousand, eight hundred four".

Divisors: 1 2 4 13 26 52 61 122 244 793 1586 1697 3172 3394 6788 9631 19262 22061 38524 44122 88244 103517 125203 207034 250406 414068 500812 587491 1174982 1345721 2349964 2691442 5382884 7637383 15274766 16343807 30549532 32687614 65375228 212469491 424938982 849877964 996972227 1993944454 3987888908 12960638951 25921277902 51842555804