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51024544001 = 127401768063
BaseRepresentation
bin101111100001010011…
…001100000100000001
311212200222200101202222
4233201103030010001
51313444240402001
635235041020425
73454302316334
oct574123140401
9155628611688
1051024544001
111a704030132
129a80024715
134a720c1692
14268082a61b
1514d97c361b
hexbe14cc101

51024544001 has 4 divisors (see below), whose sum is σ = 51426312192. Its totient is φ = 50622775812.

The previous prime is 51024543931. The next prime is 51024544013. The reversal of 51024544001 is 10044542015.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10044542015 = 52008908403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51024544001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51024543001) 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, 200883905 + ... + 200884158.

It is an arithmetic number, because the mean of its divisors is an integer number (12856578048).

Almost surely, 251024544001 is an apocalyptic number.

It is an amenable number.

51024544001 is a deficient number, since it is larger than the sum of its proper divisors (401768191).

51024544001 is a wasteful number, since it uses less digits than its factorization.

51024544001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401768190.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 51024544001 in words is "fifty-one billion, twenty-four million, five hundred forty-four thousand, one".

Divisors: 1 127 401768063 51024544001