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51020425314 = 23640198707
BaseRepresentation
bin101111100001000011…
…011110100001100010
311212200200221011000000
4233201003132201202
51313442212102224
635234412440430
73454222313445
oct574103364142
9155620834000
1051020425314
111a701777761
129a7a779116
134a712abaa1
14268007765c
1514d925d0c9
hexbe10de862

51020425314 has 56 divisors (see below), whose sum is σ = 114785198640. Its totient is φ = 17000624088.

The previous prime is 51020425283. The next prime is 51020425321. The reversal of 51020425314 is 41352402015.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 5855349 + ... + 5864055.

It is an arithmetic number, because the mean of its divisors is an integer number (2049735690).

Almost surely, 251020425314 is an apocalyptic number.

51020425314 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

51020425314 is an abundant number, since it is smaller than the sum of its proper divisors (63764773326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51020425314 is an equidigital number, since it uses as much as digits as its factorization.

51020425314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746 (or 12731 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 51020425314 its reverse (41352402015), we get a palindrome (92372827329).

The spelling of 51020425314 in words is "fifty-one billion, twenty million, four hundred twenty-five thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 4019 8038 8707 12057 17414 24114 26121 36171 52242 72342 78363 108513 156726 217026 235089 325539 470178 651078 705267 976617 1410534 1953234 2115801 2929851 4231602 5859702 6347403 12694806 34993433 69986866 104980299 209960598 314940897 629881794 944822691 1889645382 2834468073 5668936146 8503404219 17006808438 25510212657 51020425314