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51124354105 = 5114789317701
BaseRepresentation
bin101111100111001111…
…111011110000111001
311212221221111021111111
4233213033323300321
51314200313312410
635253004200321
73456623561026
oct574717736071
9155857437444
1051124354105
111a755401a20
129aa95390a1
134a89999906
14268dbac54d
1514e343bb8a
hexbe73fbc39

51124354105 has 64 divisors (see below), whose sum is σ = 69435325440. Its totient is φ = 35816704000.

The previous prime is 51124354097. The next prime is 51124354111. The reversal of 51124354105 is 50145342115.

It is not a de Polignac number, because 51124354105 - 23 = 51124354097 is a prime.

It is a super-2 number, since 2×511243541052 (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 63 ways as a sum of consecutive naturals, for example, 72930255 + ... + 72930955.

It is an arithmetic number, because the mean of its divisors is an integer number (1084926960).

Almost surely, 251124354105 is an apocalyptic number.

51124354105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51124354105 is a deficient number, since it is larger than the sum of its proper divisors (18310971335).

51124354105 is a wasteful number, since it uses less digits than its factorization.

51124354105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 51124354105 in words is "fifty-one billion, one hundred twenty-four million, three hundred fifty-four thousand, one hundred five".

Divisors: 1 5 11 47 55 89 235 317 445 517 701 979 1585 2585 3487 3505 4183 4895 7711 14899 17435 20915 28213 32947 38555 46013 62389 74495 141065 163889 164735 222217 230065 310343 311945 362417 686279 819445 1111085 1326011 1551715 1812085 2444387 2932283 3431395 6630055 10444199 12221935 14586121 14661415 19777313 32255113 52220995 72930605 98886565 114886189 161275565 217550443 574430945 929533711 1087752215 4647668555 10224870821 51124354105