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51132020332 = 2245587280409
BaseRepresentation
bin101111100111101101…
…001011011001101100
311212222110220202120211
4233213231023121230
51314204244122312
635253440352204
73460046000401
oct574755133154
9155873822524
1051132020332
111a759768748
129ab0015664
134a8b452143
142690c062a8
1514e3e533a7
hexbe7b4b66c

51132020332 has 12 divisors (see below), whose sum is σ = 89483317560. Its totient is φ = 25565358176.

The previous prime is 51132020273. The next prime is 51132020417. The reversal of 51132020332 is 23302023115.

It is a super-2 number, since 2×511320203322 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42144 + ... + 322552.

It is an arithmetic number, because the mean of its divisors is an integer number (7456943130).

Almost surely, 251132020332 is an apocalyptic number.

It is an amenable number.

51132020332 is a deficient number, since it is larger than the sum of its proper divisors (38351297228).

51132020332 is a wasteful number, since it uses less digits than its factorization.

51132020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326000 (or 325998 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 51132020332 its reverse (23302023115), we get a palindrome (74434043447).

The spelling of 51132020332 in words is "fifty-one billion, one hundred thirty-two million, twenty thousand, three hundred thirty-two".

Divisors: 1 2 4 45587 91174 182348 280409 560818 1121636 12783005083 25566010166 51132020332