Base | Representation |
---|---|
bin | 11100110010010101… |
… | …111110101111110110 |
3 | 2221210010110220022001 |
4 | 130302111332233312 |
5 | 1001300301101120 |
6 | 22111035325514 |
7 | 2142651341023 |
oct | 346225765766 |
9 | 87703426261 |
10 | 30909393910 |
11 | 1212160214a |
12 | 5ba75b089a |
13 | 2bb78ca4c5 |
14 | 16d312c54a |
15 | c0d8ade0a |
hex | 73257ebf6 |
30909393910 has 8 divisors (see below), whose sum is σ = 55636909056. Its totient is φ = 12363757560.
The previous prime is 30909393869. The next prime is 30909393961. The reversal of 30909393910 is 1939390903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545469686 + ... + 1545469705.
It is an arithmetic number, because the mean of its divisors is an integer number (6954613632).
Almost surely, 230909393910 is an apocalyptic number.
30909393910 is a deficient number, since it is larger than the sum of its proper divisors (24727515146).
30909393910 is a wasteful number, since it uses less digits than its factorization.
30909393910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3090939398.
The product of its (nonzero) digits is 177147, while the sum is 46.
The spelling of 30909393910 in words is "thirty billion, nine hundred nine million, three hundred ninety-three thousand, nine hundred ten".
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