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51102657052 = 22299733113721
BaseRepresentation
bin101111100101111101…
…001010101000011100
311212220102122221201221
4233211331022220130
51314124240011202
635250511143124
73456241263226
oct574575125034
9155812587657
1051102657052
111a744132677
129aa2214aa4
134a85340c15
14268ad61416
1514e15a3037
hexbe5f4aa1c

51102657052 has 48 divisors (see below), whose sum is σ = 93756388320. Its totient is φ = 24340377600.

The previous prime is 51102657007. The next prime is 51102657059. The reversal of 51102657052 is 25075620115.

It is a super-3 number, since 3×511026570523 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 51102656999 and 51102657017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102657059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717552 + ... + 3731272.

It is an arithmetic number, because the mean of its divisors is an integer number (1953258090).

Almost surely, 251102657052 is an apocalyptic number.

It is an amenable number.

51102657052 is a deficient number, since it is larger than the sum of its proper divisors (42653731268).

51102657052 is a wasteful number, since it uses less digits than its factorization.

51102657052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14182 (or 14180 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 51102657052 in words is "fifty-one billion, one hundred two million, six hundred fifty-seven thousand, fifty-two".

Divisors: 1 2 4 29 58 97 116 194 331 388 662 1324 2813 5626 9599 11252 13721 19198 27442 32107 38396 54884 64214 128428 397909 795818 931103 1330937 1591636 1862206 2661874 3724412 4541651 5323748 9083302 18166604 38597173 77194346 131707879 154388692 263415758 440540147 526831516 881080294 1762160588 12775664263 25551328526 51102657052