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52231202893861 = 171593043953779
BaseRepresentation
bin10111110000001000001100…
…10010110111000000100101
320211221020212100001001010221
423320010012102313000211
523321224000420100421
6303030403334444341
714000402620202215
oct1370040622670045
9224836770031127
1052231202893861
1115708146407062
125a369102036b1
13231b4c5937004
14cc800a268245
156089c05e8841
hex2f81064b7025

52231202893861 has 4 divisors (see below), whose sum is σ = 52234246864800. Its totient is φ = 52228158922924.

The previous prime is 52231202893817. The next prime is 52231202893927. The reversal of 52231202893861 is 16839820213225.

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 52231202893861 - 227 = 52231068676133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52231202893799 and 52231202893808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52231202803861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1521959731 + ... + 1521994048.

It is an arithmetic number, because the mean of its divisors is an integer number (13058561716200).

Almost surely, 252231202893861 is an apocalyptic number.

It is an amenable number.

52231202893861 is a deficient number, since it is larger than the sum of its proper divisors (3043970939).

52231202893861 is a wasteful number, since it uses less digits than its factorization.

52231202893861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043970938.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 52231202893861 in words is "fifty-two trillion, two hundred thirty-one billion, two hundred two million, eight hundred ninety-three thousand, eight hundred sixty-one".

Divisors: 1 17159 3043953779 52231202893861