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52367712421 = 143936391739
BaseRepresentation
bin110000110001010110…
…111110000010100101
312000011121002102110111
4300301112332002211
51324222113244141
640020221453021
73532502132263
oct606126760245
9160147072414
1052367712421
1120233232482
12a195a11171
134c274623ab
14276ad87433
15156768e381
hexc315be0a5

52367712421 has 4 divisors (see below), whose sum is σ = 52404105600. Its totient is φ = 52331319244.

The previous prime is 52367712413. The next prime is 52367712433. The reversal of 52367712421 is 12421776325.

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 52367712421 - 23 = 52367712413 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 (52367712121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18194431 + ... + 18197308.

It is an arithmetic number, because the mean of its divisors is an integer number (13101026400).

Almost surely, 252367712421 is an apocalyptic number.

It is an amenable number.

52367712421 is a deficient number, since it is larger than the sum of its proper divisors (36393179).

52367712421 is a wasteful number, since it uses less digits than its factorization.

52367712421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36393178.

The product of its digits is 141120, while the sum is 40.

The spelling of 52367712421 in words is "fifty-two billion, three hundred sixty-seven million, seven hundred twelve thousand, four hundred twenty-one".

Divisors: 1 1439 36391739 52367712421