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10513250013 = 372007124943
BaseRepresentation
bin10011100101010001…
…10111011011011101
31000010200112102210010
421302220313123131
5133012343000023
64455115233433
7521346102450
oct116250673335
930120472703
1010513250013
114505501382
122054a48879
13cb71314c6
1471a3a7497
15417e92093
hex272a376dd

10513250013 has 16 divisors (see below), whose sum is σ = 16021630976. Its totient is φ = 6007031280.

The previous prime is 10513249937. The next prime is 10513250017. The reversal of 10513250013 is 31005231501.

It is not a de Polignac number, because 10513250013 - 29 = 10513249501 is a prime.

It is a super-2 number, since 2×105132500132 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513250017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409020 + ... + 433962.

It is an arithmetic number, because the mean of its divisors is an integer number (1001351936).

Almost surely, 210513250013 is an apocalyptic number.

It is an amenable number.

10513250013 is a deficient number, since it is larger than the sum of its proper divisors (5508380963).

10513250013 is a wasteful number, since it uses less digits than its factorization.

10513250013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45024.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 10513250013 its reverse (31005231501), we get a palindrome (41518481514).

The spelling of 10513250013 in words is "ten billion, five hundred thirteen million, two hundred fifty thousand, thirteen".

Divisors: 1 3 7 21 20071 24943 60213 74829 140497 174601 421491 523803 500630953 1501892859 3504416671 10513250013