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51311003032 = 23172231691869
BaseRepresentation
bin101111110010010111…
…111100010110011000
311220102221201000200201
4233302113330112120
51320041104044112
635323312511544
73464351221012
oct576227742630
9156387630621
1051311003032
111a8407a6033
129b3bb4b5b4
134ab955ac73
1426aa8b71b2
151504a0a257
hexbf25fc598

51311003032 has 32 divisors (see below), whose sum is σ = 102324297600. Its totient is φ = 24038060544.

The previous prime is 51311003027. The next prime is 51311003101. The reversal of 51311003032 is 23030011315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815607 + ... + 876262.

It is an arithmetic number, because the mean of its divisors is an integer number (3197634300).

Almost surely, 251311003032 is an apocalyptic number.

It is an amenable number.

51311003032 is a deficient number, since it is larger than the sum of its proper divisors (51013294568).

51311003032 is a wasteful number, since it uses less digits than its factorization.

51311003032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692115 (or 1692111 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 51311003032 its reverse (23030011315), we get a palindrome (74341014347).

The spelling of 51311003032 in words is "fifty-one billion, three hundred eleven million, three thousand, thirty-two".

Divisors: 1 2 4 8 17 34 68 136 223 446 892 1784 3791 7582 15164 30328 1691869 3383738 6767476 13534952 28761773 57523546 115047092 230094184 377286787 754573574 1509147148 3018294296 6413875379 12827750758 25655501516 51311003032