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9520640630 = 257113409353
BaseRepresentation
bin10001101110111100…
…10111001001110110
3220120111202122200122
420313132113021312
5123444241000010
64212420211542
7454634052524
oct106736271166
926514678618
109520640630
114046176246
121a18539bb2
13b895b1287
14664621314
153aac70855
hex237797276

9520640630 has 16 divisors (see below), whose sum is σ = 17378522784. Its totient is φ = 3754618560.

The previous prime is 9520640629. The next prime is 9520640659. The reversal of 9520640630 is 360460259.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6703967 + ... + 6705386.

It is an arithmetic number, because the mean of its divisors is an integer number (1086157674).

Almost surely, 29520640630 is an apocalyptic number.

9520640630 is a deficient number, since it is larger than the sum of its proper divisors (7857882154).

9520640630 is a wasteful number, since it uses less digits than its factorization.

9520640630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13409431.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 9520640630 is about 97573.7701946584. The cubic root of 9520640630 is about 2119.4445434250. Note that the first 3 decimals are identical.

The spelling of 9520640630 in words is "nine billion, five hundred twenty million, six hundred forty thousand, six hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 13409353 26818706 67046765 134093530 952064063 1904128126 4760320315 9520640630