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40137447527431 = 1722910346496117
BaseRepresentation
bin10010010000001001110100…
…10011010101010000000111
312021010002202201200211221121
421020010322103111100013
520230102443031334211
6221210515553454411
711311556236541032
oct1110047223252007
9167102681624847
1040137447527431
1111875217825851
124602aa5b71407
131951c393b7657
149ca93cb18019
154991017ea271
hex24813a4d5407

40137447527431 has 24 divisors (see below), whose sum is σ = 44535841665120. Its totient is φ = 36119670784512.

The previous prime is 40137447527423. The next prime is 40137447527479. The reversal of 40137447527431 is 13472574473104.

It is not a de Polignac number, because 40137447527431 - 23 = 40137447527423 is a prime.

It is a super-2 number, since 2×401374475274312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40137447524431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22384816 + ... + 24111301.

It is an arithmetic number, because the mean of its divisors is an integer number (1855660069380).

Almost surely, 240137447527431 is an apocalyptic number.

40137447527431 is a deficient number, since it is larger than the sum of its proper divisors (4398394137689).

40137447527431 is a wasteful number, since it uses less digits than its factorization.

40137447527431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46496283 (or 46496266 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 40137447527431 in words is "forty trillion, one hundred thirty-seven billion, four hundred forty-seven million, five hundred twenty-seven thousand, four hundred thirty-one".

Divisors: 1 17 29 103 289 493 1751 2987 8381 29767 50779 863243 46496117 790433989 1348387393 4789100051 13437377813 22922585681 81414700867 138883901479 389683956577 1384049914739 2361026325143 40137447527431