Base | Representation |
---|---|
bin | 11100101101110010… |
… | …001011111000010010 |
3 | 2221120210112200122101 |
4 | 130231302023320102 |
5 | 1001121210323100 |
6 | 22055304031014 |
7 | 2141032224355 |
oct | 345562137022 |
9 | 87523480571 |
10 | 30832901650 |
11 | 12092407401 |
12 | 5b85a6246a |
13 | 2ba4ac7905 |
14 | 16c6cda29c |
15 | c06cee86a |
hex | 72dc8be12 |
30832901650 has 48 divisors (see below), whose sum is σ = 57730320648. Its totient is φ = 12251456000.
The previous prime is 30832901647. The next prime is 30832901653. The reversal of 30832901650 is 5610923803.
It is a Cunningham number, because it is equal to 1755932+1.
It is an interprime number because it is at equal distance from previous prime (30832901647) and next prime (30832901653).
It can be written as a sum of positive squares in 12 ways, for example, as 1 + 30832901649 = 1^2 + 175593^2 .
It is not an unprimeable number, because it can be changed into a prime (30832901653) 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, 5367780 + ... + 5373520.
Almost surely, 230832901650 is an apocalyptic number.
30832901650 is a deficient number, since it is larger than the sum of its proper divisors (26897418998).
30832901650 is a wasteful number, since it uses less digits than its factorization.
30832901650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6447 (or 6442 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 37.
The spelling of 30832901650 in words is "thirty billion, eight hundred thirty-two million, nine hundred one thousand, six hundred fifty".
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