Search a number
-
+
51057312134 = 21729335314519
BaseRepresentation
bin101111100011010000…
…001100000110000110
311212210021100012012112
4233203100030012012
51314031132442014
635242211221022
73455150664263
oct574320140606
9155707305175
1051057312134
111a720581334
129a8aba7772
134a78b255ca
142684d1a26a
1514dc5e773e
hexbe340c186

51057312134 has 32 divisors (see below), whose sum is σ = 81603910080. Its totient is φ = 23875489792.

The previous prime is 51057312127. The next prime is 51057312143. The reversal of 51057312134 is 43121375015.

It is a self number, because there is not a number n which added to its sum of digits gives 51057312134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3509327 + ... + 3523845.

It is an arithmetic number, because the mean of its divisors is an integer number (2550122190).

Almost surely, 251057312134 is an apocalyptic number.

51057312134 is a deficient number, since it is larger than the sum of its proper divisors (30546597946).

51057312134 is a wasteful number, since it uses less digits than its factorization.

51057312134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15184.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 51057312134 its reverse (43121375015), we get a palindrome (94178687149).

The spelling of 51057312134 in words is "fifty-one billion, fifty-seven million, three hundred twelve thousand, one hundred thirty-four".

Divisors: 1 2 17 34 293 353 586 706 4981 6001 9962 12002 14519 29038 103429 206858 246823 493646 1758293 3516586 4254067 5125207 8508134 10250414 72319139 87128519 144638278 174257038 1501685651 3003371302 25528656067 51057312134