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BaseRepresentation
bin110000010110101110…
…110000011010110100
311222000110110012210222
4300112232300122310
51322313231311002
635504022233512
73515435622464
oct602656603264
9158013405728
1051920963252
1120024037194
12a090285898
134b85a33282
1427278d3ba4
15153d3441a2
hexc16bb06b4

51920963252 has 24 divisors (see below), whose sum is σ = 92365359072. Its totient is φ = 25530991200.

The previous prime is 51920963251. The next prime is 51920963267. The reversal of 51920963252 is 25236902915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51920963251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194727 + ... + 2218257.

It is an arithmetic number, because the mean of its divisors is an integer number (3848556628).

Almost surely, 251920963252 is an apocalyptic number.

It is an amenable number.

51920963252 is a deficient number, since it is larger than the sum of its proper divisors (40444395820).

51920963252 is a wasteful number, since it uses less digits than its factorization.

51920963252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32639 (or 32637 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 51920963252 in words is "fifty-one billion, nine hundred twenty million, nine hundred sixty-three thousand, two hundred fifty-two".