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51436133130 = 23517411124533
BaseRepresentation
bin101111111001110101…
…010001101100001010
311220202200011021220210
4233321311101230022
51320320122230010
635343542501550
73500430626544
oct577165215412
9156680137823
1051436133130
111a8a53a1138
129b75a348b6
134b0945cc45
1426bd36a694
1515109c5b20
hexbf9d51b0a

51436133130 has 64 divisors (see below), whose sum is σ = 130745415168. Its totient is φ = 12905794560.

The previous prime is 51436133123. The next prime is 51436133141. The reversal of 51436133130 is 3133163415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2084344 + ... + 2108876.

It is an arithmetic number, because the mean of its divisors is an integer number (2042897112).

Almost surely, 251436133130 is an apocalyptic number.

51436133130 is an abundant number, since it is smaller than the sum of its proper divisors (79309282038).

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

51436133130 is a wasteful number, since it uses less digits than its factorization.

51436133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28671.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 51436133130 its reverse (3133163415), we get a palindrome (54569296545).

The spelling of 51436133130 in words is "fifty-one billion, four hundred thirty-six million, one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 4111 8222 12333 20555 24533 24666 41110 49066 61665 69887 73599 122665 123330 139774 147198 209661 245330 349435 367995 417061 419322 698870 735990 834122 1048305 1251183 2085305 2096610 2502366 4170610 6255915 12511830 100855163 201710326 302565489 504275815 605130978 1008551630 1512827445 1714537771 3025654890 3429075542 5143613313 8572688855 10287226626 17145377710 25718066565 51436133130