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3102023230013 = 19239721644489
BaseRepresentation
bin101101001000111110111…
…111100010001000111101
3101222112212022222100111202
4231020332333202020331
5401310420421330023
610333014431225245
7440054012255261
oct55107677421075
911875768870452
103102023230013
11a966192754a4
12421239378225
1319669a55b366
14aa1d293c0a1
1555a563ce128
hex2d23efe223d

3102023230013 has 12 divisors (see below), whose sum is σ = 3282127174620. Its totient is φ = 2931356298816.

The previous prime is 3102023230003. The next prime is 3102023230069. The reversal of 3102023230013 is 3100323202013.

It can be written as a sum of positive squares in 2 ways, for example, as 1598449432804 + 1503573797209 = 1264298^2 + 1226203^2 .

It is not a de Polignac number, because 3102023230013 - 24 = 3102023229997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102023230003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10678928 + ... + 10965561.

It is an arithmetic number, because the mean of its divisors is an integer number (273510597885).

Almost surely, 23102023230013 is an apocalyptic number.

It is an amenable number.

3102023230013 is a deficient number, since it is larger than the sum of its proper divisors (180103944607).

3102023230013 is a wasteful number, since it uses less digits than its factorization.

3102023230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21644924 (or 21644905 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 3102023230013 its reverse (3100323202013), we get a palindrome (6202346432026).

The spelling of 3102023230013 in words is "three trillion, one hundred two billion, twenty-three million, two hundred thirty thousand, thirteen".

Divisors: 1 19 361 397 7543 143317 21644489 411245291 7813660529 8592862133 163264380527 3102023230013