Base | Representation |
---|---|
bin | 11100001010101111… |
… | …100001101110100010 |
3 | 2220001211022022010200 |
4 | 130022233201232202 |
5 | 443420210032041 |
6 | 21521103210030 |
7 | 2120333163552 |
oct | 341257415642 |
9 | 86054268120 |
10 | 30245002146 |
11 | 11910573847 |
12 | 5a40ba6916 |
13 | 2b10077998 |
14 | 166cbc3162 |
15 | bc03c21b6 |
hex | 70abe1ba2 |
30245002146 has 24 divisors (see below), whose sum is σ = 65909635740. Its totient is φ = 10023390816.
The previous prime is 30245002129. The next prime is 30245002153. The reversal of 30245002146 is 64120054203.
It can be written as a sum of positive squares in 2 ways, for example, as 23534934921 + 6710067225 = 153411^2 + 81915^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4853181 + ... + 4859408.
Almost surely, 230245002146 is an apocalyptic number.
30245002146 is an abundant number, since it is smaller than the sum of its proper divisors (35664633594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30245002146 is a wasteful number, since it uses less digits than its factorization.
30245002146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9712770 (or 9712767 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 30245002146 its reverse (64120054203), we get a palindrome (94365056349).
The spelling of 30245002146 in words is "thirty billion, two hundred forty-five million, two thousand, one hundred forty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •