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5108738465 = 53121063213
BaseRepresentation
bin1001100001000000…
…10010100110100001
3111012000222210200202
410300200102212201
540430314112330
62202533554545
7240412363145
oct46040224641
914160883622
105108738465
112191827906
12ba6aa5a55
1363554198c
143666c9225
151ed785445
hex1308129a1

5108738465 has 12 divisors (see below), whose sum is σ = 6334629012. Its totient is φ = 3955148640.

The previous prime is 5108738447. The next prime is 5108738489. The reversal of 5108738465 is 5648378015.

It can be written as a sum of positive squares in 2 ways, for example, as 854568289 + 4254170176 = 29233^2 + 65224^2 .

It is not a de Polignac number, because 5108738465 - 212 = 5108734369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526802 + ... + 536411.

It is an arithmetic number, because the mean of its divisors is an integer number (527885751).

Almost surely, 25108738465 is an apocalyptic number.

It is an amenable number.

5108738465 is a deficient number, since it is larger than the sum of its proper divisors (1225890547).

5108738465 is a wasteful number, since it uses less digits than its factorization.

5108738465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063280 (or 1063249 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 5108738465 is about 71475.4395929119. The cubic root of 5108738465 is about 1722.2831659915.

The spelling of 5108738465 in words is "five billion, one hundred eight million, seven hundred thirty-eight thousand, four hundred sixty-five".

Divisors: 1 5 31 155 961 4805 1063213 5316065 32959603 164798015 1021747693 5108738465