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9685902001 = 25138589251
BaseRepresentation
bin10010000010101001…
…10010001010110001
3221000000201210200011
421001110302022301
5124314042331001
64241042254521
7462011544226
oct110124621261
927000653604
109685902001
114120491596
121a63957441
13bb48c4779
1467c55d94d
153ba516d51
hex2415322b1

9685902001 has 4 divisors (see below), whose sum is σ = 9724491504. Its totient is φ = 9647312500.

The previous prime is 9685901989. The next prime is 9685902007. The reversal of 9685902001 is 1002095869.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9685902001 - 221 = 9683804849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9685902007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19294375 + ... + 19294876.

It is an arithmetic number, because the mean of its divisors is an integer number (2431122876).

Almost surely, 29685902001 is an apocalyptic number.

It is an amenable number.

9685902001 is a deficient number, since it is larger than the sum of its proper divisors (38589503).

9685902001 is a wasteful number, since it uses less digits than its factorization.

9685902001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38589502.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 9685902001 is about 98416.9802473130. The cubic root of 9685902001 is about 2131.6375250281.

The spelling of 9685902001 in words is "nine billion, six hundred eighty-five million, nine hundred two thousand, one".

Divisors: 1 251 38589251 9685902001