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52920146087 = 89594608383
BaseRepresentation
bin110001010010010010…
…010101100010100111
312001121002120221222122
4301102102111202213
51331340024133322
640151114220155
73552260551124
oct612222254247
9161532527878
1052920146087
1120497052026
12a30aa2465b
134cb4a45513
1427c04ab74b
15159ae13442
hexc524958a7

52920146087 has 4 divisors (see below), whose sum is σ = 53514754560. Its totient is φ = 52325537616.

The previous prime is 52920146021. The next prime is 52920146113. The reversal of 52920146087 is 78064102925.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52920146087 - 234 = 35740276903 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 (52920146287) 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, 297304103 + ... + 297304280.

It is an arithmetic number, because the mean of its divisors is an integer number (13378688640).

Almost surely, 252920146087 is an apocalyptic number.

52920146087 is a deficient number, since it is larger than the sum of its proper divisors (594608473).

52920146087 is an equidigital number, since it uses as much as digits as its factorization.

52920146087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594608472.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 52920146087 in words is "fifty-two billion, nine hundred twenty million, one hundred forty-six thousand, eighty-seven".

Divisors: 1 89 594608383 52920146087