Base | Representation |
---|---|
bin | 11100100011010000… |
… | …010100011000110100 |
3 | 2221010111010221010011 |
4 | 130203100110120310 |
5 | 1000241000021234 |
6 | 22025553510004 |
7 | 2133455560240 |
oct | 344320243064 |
9 | 87114127104 |
10 | 30656251444 |
11 | 120017224a5 |
12 | 5b36872304 |
13 | 2b77327670 |
14 | 16ab675420 |
15 | be6558b64 |
hex | 723414634 |
30656251444 has 24 divisors (see below), whose sum is σ = 66028850048. Its totient is φ = 12127747680.
The previous prime is 30656251403. The next prime is 30656251459. The reversal of 30656251444 is 44415265603.
It is a super-3 number, since 3×306562514443 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30656251397 and 30656251406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42109872 + ... + 42110599.
Almost surely, 230656251444 is an apocalyptic number.
It is an amenable number.
30656251444 is an abundant number, since it is smaller than the sum of its proper divisors (35372598604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30656251444 is a wasteful number, since it uses less digits than its factorization.
30656251444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84220495 (or 84220493 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 40.
The spelling of 30656251444 in words is "thirty billion, six hundred fifty-six million, two hundred fifty-one thousand, four hundred forty-four".
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