Base | Representation |
---|---|
bin | 11100100011111110… |
… | …111010010010110011 |
3 | 2221011100010110102100 |
4 | 130203332322102303 |
5 | 1000302111342311 |
6 | 22031111351443 |
7 | 2133664440240 |
oct | 344376722263 |
9 | 87140113370 |
10 | 30668465331 |
11 | 12008604a19 |
12 | 5b3a982583 |
13 | 2b79a12b0a |
14 | 16ad1345c7 |
15 | be766ca56 |
hex | 723fba4b3 |
30668465331 has 24 divisors (see below), whose sum is σ = 50747606624. Its totient is φ = 17483195520.
The previous prime is 30668465291. The next prime is 30668465353. The reversal of 30668465331 is 13356486603.
30668465331 is a `hidden beast` number, since 30 + 6 + 6 + 84 + 6 + 533 + 1 = 666.
It is a de Polignac number, because none of the positive numbers 2k-30668465331 is a prime.
It is a super-2 number, since 2×306684653312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30668465131) 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, 551626 + ... + 604671.
Almost surely, 230668465331 is an apocalyptic number.
30668465331 is a deficient number, since it is larger than the sum of its proper divisors (20079141293).
30668465331 is a wasteful number, since it uses less digits than its factorization.
30668465331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1156731 (or 1156728 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 45.
The spelling of 30668465331 in words is "thirty billion, six hundred sixty-eight million, four hundred sixty-five thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •