Base | Representation |
---|---|
bin | 11100101100001111… |
… | …000111110100000111 |
3 | 2221111222200100000000 |
4 | 130230033013310013 |
5 | 1001043033321433 |
6 | 22052535252343 |
7 | 2140265415306 |
oct | 345417076407 |
9 | 87458610000 |
10 | 30806932743 |
11 | 1207978a5a4 |
12 | 5b7921a0b3 |
13 | 2b9c6046b2 |
14 | 16c369a43d |
15 | c048c0113 |
hex | 72c3c7d07 |
30806932743 has 36 divisors (see below), whose sum is σ = 46250731800. Its totient is φ = 20518993872.
The previous prime is 30806932733. The next prime is 30806932763. The reversal of 30806932743 is 34723960803.
It is not a de Polignac number, because 30806932743 - 24 = 30806932727 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30806932733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13770421 + ... + 13772657.
It is an arithmetic number, because the mean of its divisors is an integer number (1284742550).
Almost surely, 230806932743 is an apocalyptic number.
30806932743 is a deficient number, since it is larger than the sum of its proper divisors (15443799057).
30806932743 is an frugal number, since it uses more digits than its factorization.
30806932743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4360 (or 4339 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 45.
The spelling of 30806932743 in words is "thirty billion, eight hundred six million, nine hundred thirty-two thousand, seven hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •