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9640882501 = 40124042101
BaseRepresentation
bin10001111101010010…
…00011000101000101
3220212220000120112021
420332221003011011
5124221031220001
64232353323141
7460624102105
oct107651030505
926786016467
109640882501
1140a8032798
121a508664b1
13ba8491303
146765a1205
153b65c2ba1
hex23ea43145

9640882501 has 4 divisors (see below), whose sum is σ = 9664925004. Its totient is φ = 9616840000.

The previous prime is 9640882499. The next prime is 9640882507. The reversal of 9640882501 is 1052880469.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1052880469 = 2039516371.

It can be written as a sum of positive squares in 2 ways, for example, as 9398333025 + 242549476 = 96945^2 + 15574^2 .

It is a cyclic number.

It is not a de Polignac number, because 9640882501 - 21 = 9640882499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640882507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12020650 + ... + 12021451.

It is an arithmetic number, because the mean of its divisors is an integer number (2416231251).

Almost surely, 29640882501 is an apocalyptic number.

It is an amenable number.

9640882501 is a deficient number, since it is larger than the sum of its proper divisors (24042503).

9640882501 is a wasteful number, since it uses less digits than its factorization.

9640882501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24042502.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 9640882501 is about 98187.9957072146. The cubic root of 9640882501 is about 2128.3298199759.

The spelling of 9640882501 in words is "nine billion, six hundred forty million, eight hundred eighty-two thousand, five hundred one".

Divisors: 1 401 24042101 9640882501