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9135885025 = 521649322157
BaseRepresentation
bin10001000001000101…
…01000101011100001
3212120200210001020001
420200202220223201
5122202241310100
64110313420001
7442252512211
oct104042505341
925520701201
109135885025
113968a72703
12192b70a601
13b27979637
146294a8241
153870bdd6a
hex2208a8ae1

9135885025 has 12 divisors (see below), whose sum is σ = 11329695612. Its totient is φ = 7307935040.

The previous prime is 9135884999. The next prime is 9135885079. The reversal of 9135885025 is 5205885319.

It can be written as a sum of positive squares in 6 ways, for example, as 582594769 + 8553290256 = 24137^2 + 92484^2 .

It is not a de Polignac number, because 9135885025 - 213 = 9135876833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401247 + ... + 423403.

It is an arithmetic number, because the mean of its divisors is an integer number (944141301).

Almost surely, 29135885025 is an apocalyptic number.

It is an amenable number.

9135885025 is a deficient number, since it is larger than the sum of its proper divisors (2193810587).

9135885025 is a wasteful number, since it uses less digits than its factorization.

9135885025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38660 (or 38655 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 9135885025 is about 95581.8237166460. The cubic root of 9135885025 is about 2090.5001759935.

The spelling of 9135885025 in words is "nine billion, one hundred thirty-five million, eight hundred eighty-five thousand, twenty-five".

Divisors: 1 5 25 16493 22157 82465 110785 412325 553925 365435401 1827177005 9135885025