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51103211032 = 236387901379
BaseRepresentation
bin101111100101111111…
…010001111000011000
311212220110201002122201
4233211333101320120
51314124410223112
635250531055544
73456246061306
oct574577217030
9155813632581
1051103211032
111a744480905
129aa24415b4
134a854a6113
14268b067276
1514e1662257
hexbe5fd1e18

51103211032 has 8 divisors (see below), whose sum is σ = 95818520700. Its totient is φ = 25551605512.

The previous prime is 51103210979. The next prime is 51103211057. The reversal of 51103211032 is 23011230115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×511032110322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193950682 + ... + 3193950697.

Almost surely, 251103211032 is an apocalyptic number.

It is an amenable number.

51103211032 is a deficient number, since it is larger than the sum of its proper divisors (44715309668).

51103211032 is a wasteful number, since it uses less digits than its factorization.

51103211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387901385 (or 6387901381 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 51103211032 its reverse (23011230115), we get a palindrome (74114441147).

The spelling of 51103211032 in words is "fifty-one billion, one hundred three million, two hundred eleven thousand, thirty-two".

Divisors: 1 2 4 8 6387901379 12775802758 25551605516 51103211032