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9139270025 = 52418916361
BaseRepresentation
bin10001000001011111…
…00011000110001001
3212120221011000120102
420200233203012021
5122204123120100
64110514135145
7442323341054
oct104057430611
925527130512
109139270025
11396a974926
1219308814b5
13b285932b2
14629b09a9b
1538753bcd5
hex220be3189

9139270025 has 12 divisors (see below), whose sum is σ = 11609103324. Its totient is φ = 7133088000.

The previous prime is 9139270013. The next prime is 9139270081. The reversal of 9139270025 is 5200729319.

9139270025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4463308864 + 4675961161 = 66808^2 + 68381^2 .

It is not a de Polignac number, because 9139270025 - 26 = 9139269961 is a prime.

It is a Duffinian number.

It is a Curzon 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, 4457156 + ... + 4459205.

It is an arithmetic number, because the mean of its divisors is an integer number (967425277).

Almost surely, 29139270025 is an apocalyptic number.

It is an amenable number.

9139270025 is a deficient number, since it is larger than the sum of its proper divisors (2469833299).

9139270025 is a wasteful number, since it uses less digits than its factorization.

9139270025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8916412 (or 8916407 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 9139270025 is about 95599.5294182979. The cubic root of 9139270025 is about 2090.7583326759.

The spelling of 9139270025 in words is "nine billion, one hundred thirty-nine million, two hundred seventy thousand, twenty-five".

Divisors: 1 5 25 41 205 1025 8916361 44581805 222909025 365570801 1827854005 9139270025