Base | Representation |
---|---|
bin | 11100011001100000… |
… | …001101000010101111 |
3 | 2220201002021210012210 |
4 | 130121200031002233 |
5 | 444422104043003 |
6 | 22001431101503 |
7 | 2126431123200 |
oct | 343140150257 |
9 | 86632253183 |
10 | 30492643503 |
11 | 11a28336423 |
12 | 5aabb11893 |
13 | 2b4c47292a |
14 | 1693a475a7 |
15 | bd6edc503 |
hex | 71980d0af |
30492643503 has 24 divisors (see below), whose sum is σ = 48300993792. Its totient is φ = 17053632624.
The previous prime is 30492643469. The next prime is 30492643523. The reversal of 30492643503 is 30534629403.
It is not a de Polignac number, because 30492643503 - 26 = 30492643439 is a prime.
It is a super-2 number, since 2×304926435032 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30492643523) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2199825 + ... + 2213642.
It is an arithmetic number, because the mean of its divisors is an integer number (2012541408).
Almost surely, 230492643503 is an apocalyptic number.
30492643503 is a deficient number, since it is larger than the sum of its proper divisors (17808350289).
30492643503 is a wasteful number, since it uses less digits than its factorization.
30492643503 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4413531 (or 4413524 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 39.
The spelling of 30492643503 in words is "thirty billion, four hundred ninety-two million, six hundred forty-three thousand, five hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •