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9840767157 = 321384109121
BaseRepresentation
bin10010010101000111…
…00011000010110101
3221101211010202201200
421022203203002311
5130123214022112
64304253443113
7465602066154
oct111243430265
927354122650
109840767157
11419a947021
121aa77a0499
13c0aa07c60
14694d5359b
153c8e07cdc
hex24a8e30b5

9840767157 has 12 divisors (see below), whose sum is σ = 15307860204. Its totient is φ = 6055856640.

The previous prime is 9840767149. The next prime is 9840767161. The reversal of 9840767157 is 7517670489.

9840767157 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 2 ways, for example, as 1663905681 + 8176861476 = 40791^2 + 90426^2 .

It is not a de Polignac number, because 9840767157 - 23 = 9840767149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9840762157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42054444 + ... + 42054677.

It is an arithmetic number, because the mean of its divisors is an integer number (1275655017).

Almost surely, 29840767157 is an apocalyptic number.

It is an amenable number.

9840767157 is a deficient number, since it is larger than the sum of its proper divisors (5467093047).

9840767157 is a wasteful number, since it uses less digits than its factorization.

9840767157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84109140 (or 84109137 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The square root of 9840767157 is about 99200.6409102280. The cubic root of 9840767157 is about 2142.9382265299.

The spelling of 9840767157 in words is "nine billion, eight hundred forty million, seven hundred sixty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 9 13 39 117 84109121 252327363 756982089 1093418573 3280255719 9840767157