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51383406130 = 2573123678989
BaseRepresentation
bin101111110110101100…
…001000111000110010
311220121222221111001221
4233312230020320302
51320213122444010
635334420415254
73466220513530
oct576654107062
9156558844057
1051383406130
111a878658601
129b6024752a
134acb55b534
1426b6363150
15150b05cdda
hexbf6b08e32

51383406130 has 32 divisors (see below), whose sum is σ = 109112785920. Its totient is φ = 17048871360.

The previous prime is 51383406101. The next prime is 51383406149. The reversal of 51383406130 is 3160438315.

It is an unprimeable number.

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, 11837325 + ... + 11841664.

It is an arithmetic number, because the mean of its divisors is an integer number (3409774560).

Almost surely, 251383406130 is an apocalyptic number.

51383406130 is an abundant number, since it is smaller than the sum of its proper divisors (57729379790).

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

51383406130 is a wasteful number, since it uses less digits than its factorization.

51383406130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23679034.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 51383406130 in words is "fifty-one billion, three hundred eighty-three million, four hundred six thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 23678989 47357978 118394945 165752923 236789890 331505846 734048659 828764615 1468097318 1657529230 3670243295 5138340613 7340486590 10276681226 25691703065 51383406130