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100504640813 = 1731493389117
BaseRepresentation
bin101110110011010001…
…0110001110100101101
3100121102100012202022012
41131212202301310231
53121313142001223
6114100551131005
710155412231343
oct1354642616455
9317370182265
10100504640813
1139695282225
121758a973a65
13962922ac85
144c160a3993
1529336bcc78
hex17668b1d2d

100504640813 has 8 divisors (see below), whose sum is σ = 101153558808. Its totient is φ = 99856504384.

The previous prime is 100504640777. The next prime is 100504640827. The reversal of 100504640813 is 318046405001.

It can be written as a sum of positive squares in 4 ways, for example, as 42552263524 + 57952377289 = 206282^2 + 240733^2 .

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 100504640813 - 212 = 100504636717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100504640813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100504640513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63731 + ... + 452847.

It is an arithmetic number, because the mean of its divisors is an integer number (12644194851).

Almost surely, 2100504640813 is an apocalyptic number.

It is an amenable number.

100504640813 is a deficient number, since it is larger than the sum of its proper divisors (648917995).

100504640813 is a wasteful number, since it uses less digits than its factorization.

100504640813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390783.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 100504640813 in words is "one hundred billion, five hundred four million, six hundred forty thousand, eight hundred thirteen".

Divisors: 1 173 1493 258289 389117 67317241 580951681 100504640813