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2638670753 = 10136237211
BaseRepresentation
bin1001110101000110…
…1110101110100001
320210220010100210102
42131101232232201
520400444431003
61113455512145
7122250221435
oct23521565641
96726110712
102638670753
111134508434
12617828655
13330892754
141b062a9c5
151069bd588
hex9d46eba1

2638670753 has 8 divisors (see below), whose sum is σ = 2665901376. Its totient is φ = 2611462000.

The previous prime is 2638670737. The next prime is 2638670779. The reversal of 2638670753 is 3570768362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2638670753 - 24 = 2638670737 is a prime.

It is a super-3 number, since 3×26386707533 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2638670698 and 2638670707.

It is not an unprimeable number, because it can be changed into a prime (2638673753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362318 + ... + 369528.

It is an arithmetic number, because the mean of its divisors is an integer number (333237672).

Almost surely, 22638670753 is an apocalyptic number.

It is an amenable number.

2638670753 is a deficient number, since it is larger than the sum of its proper divisors (27230623).

2638670753 is a wasteful number, since it uses less digits than its factorization.

2638670753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 2638670753 is about 51367.9934686960. The cubic root of 2638670753 is about 1381.8526459657.

The spelling of 2638670753 in words is "two billion, six hundred thirty-eight million, six hundred seventy thousand, seven hundred fifty-three".

Divisors: 1 101 3623 7211 365923 728311 26125453 2638670753