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51002024401 = 151337761751
BaseRepresentation
bin101111011111111101…
…010010000111010001
311212122102022021200201
4233133331102013101
51313423004240101
635232514215201
73453610024456
oct573775220721
9155572267621
1051002024401
111a6a2349899
129a74584501
134a6a538483
14267b84782d
1514d7825e01
hexbdff521d1

51002024401 has 4 divisors (see below), whose sum is σ = 51339786304. Its totient is φ = 50664262500.

The previous prime is 51002024393. The next prime is 51002024417. The reversal of 51002024401 is 10442020015.

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 not a de Polignac number, because 51002024401 - 23 = 51002024393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51002024431) 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, 168880725 + ... + 168881026.

It is an arithmetic number, because the mean of its divisors is an integer number (12834946576).

Almost surely, 251002024401 is an apocalyptic number.

It is an amenable number.

51002024401 is a deficient number, since it is larger than the sum of its proper divisors (337761903).

51002024401 is a wasteful number, since it uses less digits than its factorization.

51002024401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337761902.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 51002024401 its reverse (10442020015), we get a palindrome (61444044416).

The spelling of 51002024401 in words is "fifty-one billion, two million, twenty-four thousand, four hundred one".

Divisors: 1 151 337761751 51002024401