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31441000507 = 78329539269
BaseRepresentation
bin11101010010000001…
…111001100000111011
310000011011210022110021
4131102001321200323
51003342344004012
622235505431311
72162065044340
oct352201714073
9100134708407
1031441000507
1112374697044
12611563b537
132c70a9a917
1417439907c7
15c403bc007
hex75207983b

31441000507 has 8 divisors (see below), whose sum is σ = 35936952800. Its totient is φ = 26946143424.

The previous prime is 31441000477. The next prime is 31441000639. The reversal of 31441000507 is 70500014413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31441000507 - 227 = 31306782779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31441000807) 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 7 ways as a sum of consecutive naturals, for example, 211332 + ... + 327937.

It is an arithmetic number, because the mean of its divisors is an integer number (4492119100).

Almost surely, 231441000507 is an apocalyptic number.

31441000507 is the 102374-th hex number.

31441000507 is a deficient number, since it is larger than the sum of its proper divisors (4495952293).

31441000507 is an equidigital number, since it uses as much as digits as its factorization.

31441000507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547605.

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 31441000507 in words is "thirty-one billion, four hundred forty-one million, five hundred seven", and thus it is an aban number.

Divisors: 1 7 8329 58303 539269 3774883 4491571501 31441000507