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51106655510 = 257964691969
BaseRepresentation
bin101111100110001100…
…011010110100010110
311212220201012002120222
4233212030122310112
51314131300434020
635251132554342
73456320255441
oct574614326426
9155821162528
1051106655510
111a746413789
129aa36229b2
134a86110b81
14268b6c2658
1514e1ae2b25
hexbe631ad16

51106655510 has 16 divisors (see below), whose sum is σ = 93156436800. Its totient is φ = 20183894016.

The previous prime is 51106655473. The next prime is 51106655519. The reversal of 51106655510 is 1555660115.

It is a super-2 number, since 2×511066555102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106655519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32345195 + ... + 32346774.

It is an arithmetic number, because the mean of its divisors is an integer number (5822277300).

Almost surely, 251106655510 is an apocalyptic number.

51106655510 is a deficient number, since it is larger than the sum of its proper divisors (42049781290).

51106655510 is a wasteful number, since it uses less digits than its factorization.

51106655510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64692055.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 51106655510 in words is "fifty-one billion, one hundred six million, six hundred fifty-five thousand, five hundred ten".

Divisors: 1 2 5 10 79 158 395 790 64691969 129383938 323459845 646919690 5110665551 10221331102 25553327755 51106655510