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523587047831 is a prime number
BaseRepresentation
bin1111001111010000011…
…10000101000110010111
31212001110200101220001122
413213220032011012113
532034301241012311
61040311011314155
752553655321551
oct7475016050627
91761420356048
10523587047831
11192063269661
12855842ab95b
133a4b2a1c303
141b4ada864d1
15d9467530db
hex79e8385197

523587047831 has 2 divisors, whose sum is σ = 523587047832. Its totient is φ = 523587047830.

The previous prime is 523587047827. The next prime is 523587047959. The reversal of 523587047831 is 138740785325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523587047831 - 22 = 523587047827 is a prime.

It is a super-2 number, since 2×5235870478312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523587044831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261793523915 + 261793523916.

It is an arithmetic number, because the mean of its divisors is an integer number (261793523916).

Almost surely, 2523587047831 is an apocalyptic number.

523587047831 is a deficient number, since it is larger than the sum of its proper divisors (1).

523587047831 is an equidigital number, since it uses as much as digits as its factorization.

523587047831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 523587047831 in words is "five hundred twenty-three billion, five hundred eighty-seven million, forty-seven thousand, eight hundred thirty-one".