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7630885613 = 13586991201
BaseRepresentation
bin1110001101101011…
…00001001011101101
3201200210212011011002
413012311201023231
5111112001314423
63301112210045
7360046312631
oct70665411355
921623764132
107630885613
11326648833a
12158b699925
13947c26940
14525662dc1
152e9dd8228
hex1c6d612ed

7630885613 has 4 divisors (see below), whose sum is σ = 8217876828. Its totient is φ = 7043894400.

The previous prime is 7630885607. The next prime is 7630885637. The reversal of 7630885613 is 3165880367.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4810532164 + 2820353449 = 69358^2 + 53107^2 .

It is a cyclic number.

It is not a de Polignac number, because 7630885613 - 24 = 7630885597 is a prime.

It is a super-3 number, since 3×76308856133 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630882613) 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, 293495588 + ... + 293495613.

It is an arithmetic number, because the mean of its divisors is an integer number (2054469207).

Almost surely, 27630885613 is an apocalyptic number.

It is an amenable number.

7630885613 is a deficient number, since it is larger than the sum of its proper divisors (586991215).

7630885613 is a wasteful number, since it uses less digits than its factorization.

7630885613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586991214.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 7630885613 is about 87354.9404040779. The cubic root of 7630885613 is about 1968.7548809581.

The spelling of 7630885613 in words is "seven billion, six hundred thirty million, eight hundred eighty-five thousand, six hundred thirteen".

Divisors: 1 13 586991201 7630885613