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10511331025 = 5213214291741
BaseRepresentation
bin10011100101000011…
…00010111011010001
31000010112220221102111
421302201202323101
5133011400043100
64455010145321
7521323560646
oct116241427321
930115827374
1010511331025
114504410638
122054282241
13cb690bc00
1471a027dcd
15417c136ba
hex272862ed1

10511331025 has 36 divisors (see below), whose sum is σ = 14131783380. Its totient is φ = 7752326400.

The previous prime is 10511330987. The next prime is 10511331049. The reversal of 10511331025 is 52013311501.

It can be written as a sum of positive squares in 18 ways, for example, as 9034312401 + 1477018624 = 95049^2 + 38432^2 .

It is not a de Polignac number, because 10511331025 - 27 = 10511330897 is a prime.

It is a super-2 number, since 2×105113310252 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10511330987 and 10511331005.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6036655 + ... + 6038395.

Almost surely, 210511331025 is an apocalyptic number.

It is an amenable number.

10511331025 is a deficient number, since it is larger than the sum of its proper divisors (3620452355).

10511331025 is a wasteful number, since it uses less digits than its factorization.

10511331025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 10511331025 its reverse (52013311501), we get a palindrome (62524642526).

The spelling of 10511331025 in words is "ten billion, five hundred eleven million, three hundred thirty-one thousand, twenty-five".

Divisors: 1 5 13 25 65 169 325 845 1429 1741 4225 7145 8705 18577 22633 35725 43525 92885 113165 241501 294229 464425 565825 1207505 1471145 2487889 6037525 7355725 12439445 32342557 62197225 161712785 420453241 808563925 2102266205 10511331025