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51055153055 = 510211030611
BaseRepresentation
bin101111100011000111…
…111100111110011111
311212210010021111111122
4233203013330332133
51314030104344210
635242053041155
73455123432504
oct574307747637
9155703244448
1051055153055
111a71a337175
129a8a3261bb
134a7854a94a
1426849174ab
1514dc31cb55
hexbe31fcf9f

51055153055 has 4 divisors (see below), whose sum is σ = 61266183672. Its totient is φ = 40844122440.

The previous prime is 51055153027. The next prime is 51055153057. The reversal of 51055153055 is 55035155015.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51055153055 - 216 = 51055087519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055153057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105515301 + ... + 5105515310.

It is an arithmetic number, because the mean of its divisors is an integer number (15316545918).

Almost surely, 251055153055 is an apocalyptic number.

51055153055 is a deficient number, since it is larger than the sum of its proper divisors (10211030617).

51055153055 is a wasteful number, since it uses less digits than its factorization.

51055153055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211030616.

The product of its (nonzero) digits is 46875, while the sum is 35.

The spelling of 51055153055 in words is "fifty-one billion, fifty-five million, one hundred fifty-three thousand, fifty-five".

Divisors: 1 5 10211030611 51055153055