Base | Representation |
---|---|
bin | 11100101011110100… |
… | …111000101100111001 |
3 | 2221111111201220122101 |
4 | 130223310320230321 |
5 | 1001034303230342 |
6 | 22052132023401 |
7 | 2140153102000 |
oct | 345364705471 |
9 | 87444656571 |
10 | 30800055097 |
11 | 12075912299 |
12 | 5b76a61b61 |
13 | 2b9b067096 |
14 | 16c27c9c37 |
15 | c03eb23b7 |
hex | 72bd38b39 |
30800055097 has 32 divisors (see below), whose sum is σ = 36233164800. Its totient is φ = 26169857280.
The previous prime is 30800055079. The next prime is 30800055119. The reversal of 30800055097 is 79055000803.
It is a de Polignac number, because none of the positive numbers 2k-30800055097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30800055017) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21492693 + ... + 21494125.
It is an arithmetic number, because the mean of its divisors is an integer number (1132286400).
Almost surely, 230800055097 is an apocalyptic number.
It is an amenable number.
30800055097 is a deficient number, since it is larger than the sum of its proper divisors (5433109703).
30800055097 is a wasteful number, since it uses less digits than its factorization.
30800055097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1958 (or 1944 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 37.
The spelling of 30800055097 in words is "thirty billion, eight hundred million, fifty-five thousand, ninety-seven".
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