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51100543241 = 114645503931
BaseRepresentation
bin101111100101110101…
…000110100100001001
311212220021200120010122
4233211311012210021
51314123214340431
635250353553025
73456214310426
oct574565064411
9155807616118
1051100543241
111a742a19520
129aa1575775
134a84a80a47
14268a970d4d
1514e12d6a7b
hexbe5d46909

51100543241 has 4 divisors (see below), whose sum is σ = 55746047184. Its totient is φ = 46455039300.

The previous prime is 51100543211. The next prime is 51100543243. The reversal of 51100543241 is 14234500115.

51100543241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51100543241 is a prime.

It is a super-2 number, since 2×511005432412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51100543241.

It is not an unprimeable number, because it can be changed into a prime (51100543243) 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, 2322751955 + ... + 2322751976.

It is an arithmetic number, because the mean of its divisors is an integer number (13936511796).

Almost surely, 251100543241 is an apocalyptic number.

It is an amenable number.

51100543241 is a deficient number, since it is larger than the sum of its proper divisors (4645503943).

51100543241 is a wasteful number, since it uses less digits than its factorization.

51100543241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645503942.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 51100543241 in words is "fifty-one billion, one hundred million, five hundred forty-three thousand, two hundred forty-one".

Divisors: 1 11 4645503931 51100543241