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51100544532 = 2234258378711
BaseRepresentation
bin101111100101110101…
…000110111000010100
311212220021200121220110
4233211311012320110
51314123214411112
635250354003020
73456214314252
oct574565067024
9155807617813
1051100544532
111a742a1a494
129aa1576470
134a84a814cb
14268a9715d2
1514e12d713c
hexbe5d46e14

51100544532 has 12 divisors (see below), whose sum is σ = 119234603936. Its totient is φ = 17033514840.

The previous prime is 51100544531. The next prime is 51100544533. The reversal of 51100544532 is 23544500115.

It is an interprime number because it is at equal distance from previous prime (51100544531) and next prime (51100544533).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×511005445322 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51100544532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100544531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129189344 + ... + 2129189367.

Almost surely, 251100544532 is an apocalyptic number.

It is an amenable number.

51100544532 is an abundant number, since it is smaller than the sum of its proper divisors (68134059404).

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

51100544532 is a wasteful number, since it uses less digits than its factorization.

51100544532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258378718 (or 4258378716 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 51100544532 in words is "fifty-one billion, one hundred million, five hundred forty-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 4258378711 8516757422 12775136133 17033514844 25550272266 51100544532