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25214447731135 = 5136472137280561
BaseRepresentation
bin1011011101110101100100…
…01100110100000110111111
310022021110220012211002210111
411232322302030310012333
511301103142104344020
6125343205105450451
75211453343306135
oct556726214640677
9108243805732714
1025214447731135
11804142944aa63
1229b288b640a27
13110b93498a0b0
14632558829755
152dad44100d5a
hex16eeb23341bf

25214447731135 has 32 divisors (see below), whose sum is σ = 32650575576192. Its totient is φ = 18582355169280.

The previous prime is 25214447731111. The next prime is 25214447731141. The reversal of 25214447731135 is 53113774441252.

It is not a de Polignac number, because 25214447731135 - 27 = 25214447731007 is a prime.

It is a super-2 number, since 2×252144477311352 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89731255 + ... + 90011815.

It is an arithmetic number, because the mean of its divisors is an integer number (1020330486756).

Almost surely, 225214447731135 is an apocalyptic number.

25214447731135 is a deficient number, since it is larger than the sum of its proper divisors (7436127845057).

25214447731135 is a wasteful number, since it uses less digits than its factorization.

25214447731135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283363.

The product of its digits is 2822400, while the sum is 49.

The spelling of 25214447731135 in words is "twenty-five trillion, two hundred fourteen billion, four hundred forty-seven million, seven hundred thirty-one thousand, one hundred thirty-five".

Divisors: 1 5 13 65 647 2137 3235 8411 10685 27781 42055 138905 280561 1382639 1402805 3647293 6913195 17974307 18236465 89871535 181522967 599558857 907614835 2359798571 2997794285 7794265141 11798992855 38971325705 387914580479 1939572902395 5042889546227 25214447731135