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2638510082 = 213101481157
BaseRepresentation
bin1001110101000100…
…0111100000000010
320210212211012101122
42131101013200002
520400424310312
61113452232242
7122245652135
oct23521074002
96725735348
102638510082
11113440874a
1261776b682
13330837590
141b05c821c
1510698ab72
hex9d447802

2638510082 has 8 divisors (see below), whose sum is σ = 4262208636. Its totient is φ = 1217773872.

The previous prime is 2638510051. The next prime is 2638510087. The reversal of 2638510082 is 2800158362.

It can be written as a sum of positive squares in 2 ways, for example, as 2245717321 + 392792761 = 47389^2 + 19819^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2638510087) 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, 50740553 + ... + 50740604.

Almost surely, 22638510082 is an apocalyptic number.

2638510082 is a deficient number, since it is larger than the sum of its proper divisors (1623698554).

2638510082 is a wasteful number, since it uses less digits than its factorization.

2638510082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101481172.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2638510082 is about 51366.4295235711. The cubic root of 2638510082 is about 1381.8245979858.

The spelling of 2638510082 in words is "two billion, six hundred thirty-eight million, five hundred ten thousand, eighty-two".

Divisors: 1 2 13 26 101481157 202962314 1319255041 2638510082