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51210343021054 = 2723071702131989
BaseRepresentation
bin10111010010011010101100…
…10011011111100111111110
320201022122211212002021200011
423221031112103133213332
523203012240303133204
6300525412400453434
713533553016355400
oct1351152623374776
9221278755067604
1051210343021054
1115354203647a68
1258b0aa831a27a
132276164aa9889
14c90845666b70
155dc1728b4304
hex2e93564df9fe

51210343021054 has 24 divisors (see below), whose sum is σ = 89647887649320. Its totient is φ = 21875800309776.

The previous prime is 51210343021043. The next prime is 51210343021067. The reversal of 51210343021054 is 45012034301215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 851035909 + ... + 851096080.

It is an arithmetic number, because the mean of its divisors is an integer number (3735328652055).

Almost surely, 251210343021054 is an apocalyptic number.

51210343021054 is a deficient number, since it is larger than the sum of its proper divisors (38437544628266).

51210343021054 is a wasteful number, since it uses less digits than its factorization.

51210343021054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702132312 (or 1702132305 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 51210343021054 its reverse (45012034301215), we get a palindrome (96222377322269).

The spelling of 51210343021054 in words is "fifty-one trillion, two hundred ten billion, three hundred forty-three million, twenty-one thousand, fifty-four".

Divisors: 1 2 7 14 49 98 307 614 2149 4298 15043 30086 1702131989 3404263978 11914923923 23829847846 83404467461 166808934922 522554520623 1045109041246 3657881644361 7315763288722 25605171510527 51210343021054