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10500715729 = 72146392
BaseRepresentation
bin10011100011110010…
…00011010011010001
31000002210221121222101
421301321003103101
5133001140400404
64453550440401
7521134416400
oct116171032321
930083847871
1010500715729
1144a9420169
122050803101
13cb466327a
14718863637
15416d182a4
hex271e434d1

10500715729 has 9 divisors (see below), whose sum is σ = 12215952777. Its totient is φ = 8999998644.

The previous prime is 10500715721. The next prime is 10500715793. The reversal of 10500715729 is 92751700501.

The square root of 10500715729 is 102473.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 10500715729 - 23 = 10500715721 is a prime.

It is a super-2 number, since 2×105007157292 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10500715721) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 709992 + ... + 724630.

Almost surely, 210500715729 is an apocalyptic number.

10500715729 is the 102473-rd square number.

10500715729 is the 51237-th centered octagonal number.

It is an amenable number.

10500715729 is a deficient number, since it is larger than the sum of its proper divisors (1715237048).

10500715729 is an frugal number, since it uses more digits than its factorization.

10500715729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29292 (or 14646 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 37.

The spelling of 10500715729 in words is "ten billion, five hundred million, seven hundred fifteen thousand, seven hundred twenty-nine".

Divisors: 1 7 49 14639 102473 717311 214300321 1500102247 10500715729