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10511013253 = 1359157191457
BaseRepresentation
bin10011100101000000…
…10101010110000101
31000010112022210112011
421302200111112011
5133011304411003
64454555254221
7521321065336
oct116240252605
930115283464
1010511013253
114504213914
12205414a371
13cb682a390
14719d8428d
15417b9e46d
hex272815585

10511013253 has 32 divisors (see below), whose sum is σ = 11670865920. Its totient is φ = 9407024640.

The previous prime is 10511013251. The next prime is 10511013281. The reversal of 10511013253 is 35231011501.

It is not a de Polignac number, because 10511013253 - 21 = 10511013251 is a prime.

It is a super-2 number, since 2×105110132532 (a number of 21 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 (10511013251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22999801 + ... + 23000257.

It is an arithmetic number, because the mean of its divisors is an integer number (364714560).

Almost surely, 210511013253 is an apocalyptic number.

10511013253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10511013253 is a deficient number, since it is larger than the sum of its proper divisors (1159852667).

10511013253 is a wasteful number, since it uses less digits than its factorization.

10511013253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

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

Adding to 10511013253 its reverse (35231011501), we get a palindrome (45742024754).

The spelling of 10511013253 in words is "ten billion, five hundred eleven million, thirteen thousand, two hundred fifty-three".

Divisors: 1 13 59 157 191 457 767 2041 2483 5941 9263 11269 26963 29987 71749 87287 120419 146497 350519 389831 932737 1134731 1769233 4233191 5149933 13704059 23000029 55031483 66949129 178152767 808539481 10511013253