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25712513330745 = 3531259338215581
BaseRepresentation
bin1011101100010101010010…
…01110010010111000111001
310101001002111021010002120010
411312022221032102320321
511332233211403040440
6130404055432052133
75262445023122313
oct566125116227071
9111032437102503
1025712513330745
1182136854a684a
122a73310834049
1311468ab11b447
1464c6c6b8c7b3
152e8c94ecd580
hex1762a9392e39

25712513330745 has 64 divisors (see below), whose sum is σ = 42502228973568. Its totient is φ = 13260008448000.

The previous prime is 25712513330687. The next prime is 25712513330773. The reversal of 25712513330745 is 54703331521752.

It is a happy number.

It is not a de Polignac number, because 25712513330745 - 213 = 25712513322553 is a prime.

It is a super-2 number, since 2×257125133307452 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25712513330694 and 25712513330703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4607148855 + ... + 4607154435.

It is an arithmetic number, because the mean of its divisors is an integer number (664097327712).

Almost surely, 225712513330745 is an apocalyptic number.

It is an amenable number.

25712513330745 is a deficient number, since it is larger than the sum of its proper divisors (16789715642823).

25712513330745 is a wasteful number, since it uses less digits than its factorization.

25712513330745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034.

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 25712513330745 in words is "twenty-five trillion, seven hundred twelve billion, five hundred thirteen million, three hundred thirty thousand, seven hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 2593 3821 5581 7779 11463 12965 16743 19105 27905 38895 57315 80383 83715 118451 173011 241149 355353 401915 519033 592255 865055 1205745 1776765 2595165 9907853 14471533 21325001 29723559 43414599 49539265 63975003 72357665 106625005 148617795 217072995 307143443 319875015 448617523 661075031 921430329 1345852569 1535717215 1983225093 2243087615 3305375155 4607151645 6729262845 9916125465 55295727593 165887182779 276478637965 829435913895 1714167555383 5142502666149 8570837776915 25712513330745