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51125420062830 = 23511931428483377
BaseRepresentation
bin10111001111111100100001…
…00000000111100001101110
320201000112122102120000120010
423213332100200013201232
523200114330014002310
6300422405503034050
713524455366212041
oct1347762040074156
9221015572500503
1051125420062830
1115321194874573
12589854789b926
13226b14ca7bc39
14c8a6aab62c58
155d9d5210b320
hex2e7f9080786e

51125420062830 has 32 divisors (see below), whose sum is σ = 122803859039904. Its totient is φ = 13622017473536.

The previous prime is 51125420062789. The next prime is 51125420062841. The reversal of 51125420062830 is 3826002452115.

51125420062830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511254200628302 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714205899 + ... + 714277478.

It is an arithmetic number, because the mean of its divisors is an integer number (3837620594997).

Almost surely, 251125420062830 is an apocalyptic number.

51125420062830 is an abundant number, since it is smaller than the sum of its proper divisors (71678438977074).

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

51125420062830 is a wasteful number, since it uses less digits than its factorization.

51125420062830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428484580.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 51125420062830 in words is "fifty-one trillion, one hundred twenty-five billion, four hundred twenty million, sixty-two thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1193 2386 3579 5965 7158 11930 17895 35790 1428483377 2856966754 4285450131 7142416885 8570900262 14284833770 21427250655 42854501310 1704180668761 3408361337522 5112542006283 8520903343805 10225084012566 17041806687610 25562710031415 51125420062830