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4495681513 = 22919631797
BaseRepresentation
bin1000010111111011…
…01010011111101001
3102121022102021122201
410023331222133221
533201343302023
62022034020201
7216256443121
oct41375523751
912538367581
104495681513
1119a7771074
12a55717661
13568523c9b
14309103c81
151b4a38bad
hex10bf6a7e9

4495681513 has 4 divisors (see below), whose sum is σ = 4515313540. Its totient is φ = 4476049488.

The previous prime is 4495681511. The next prime is 4495681549. The reversal of 4495681513 is 3151865944.

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 3990196224 + 505485289 = 63168^2 + 22483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4495681513 - 21 = 4495681511 is a prime.

It is a super-2 number, since 2×44956815132 = 40422304532659938338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4495681511) 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, 9815670 + ... + 9816127.

It is an arithmetic number, because the mean of its divisors is an integer number (1128828385).

Almost surely, 24495681513 is an apocalyptic number.

It is an amenable number.

4495681513 is a deficient number, since it is larger than the sum of its proper divisors (19632027).

4495681513 is a wasteful number, since it uses less digits than its factorization.

4495681513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19632026.

The product of its digits is 518400, while the sum is 46.

The square root of 4495681513 is about 67049.8434972074. The cubic root of 4495681513 is about 1650.4353320873.

The spelling of 4495681513 in words is "four billion, four hundred ninety-five million, six hundred eighty-one thousand, five hundred thirteen".

Divisors: 1 229 19631797 4495681513