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531895993344 = 210327121072
BaseRepresentation
bin1111011110101110111…
…10001100010000000000
31212211220202011001112100
413233113132030100000
532203310333241334
61044203305030400
753266610226522
oct7572736142000
91784822131470
10531895993344
11195637470381
1287102a85400
133b208272b11
141ba5b3b1a12
15dc80e27c99
hex7bd778c400

531895993344 has 297 divisors, whose sum is σ = 1572469030951. Its totient is φ = 173167841280.

The previous prime is 531895993337. The next prime is 531895993351. The reversal of 531895993344 is 443399598135.

The square root of 531895993344 is 729312.

It is a perfect power (a square), and thus also a powerful number.

531895993344 is a `hidden beast` number, since 5 + 3 + 1 + 8 + 9 + 599 + 3 + 34 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (531895993337) and next prime (531895993351).

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 4970990539 + ... + 4970990645.

Almost surely, 2531895993344 is an apocalyptic number.

531895993344 is the 729312-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531895993344

531895993344 is an abundant number, since it is smaller than the sum of its proper divisors (1040573037607).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531895993344 is an equidigital number, since it uses as much as digits as its factorization.

531895993344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 183 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 63.

The spelling of 531895993344 in words is "five hundred thirty-one billion, eight hundred ninety-five million, nine hundred ninety-three thousand, three hundred forty-four".