Base | Representation |
---|---|
bin | 11100101111001011… |
… | …111101011110010000 |
3 | 2221122102211100011011 |
4 | 130233023331132100 |
5 | 1001143221414400 |
6 | 22101504300304 |
7 | 2141436242434 |
oct | 345713753620 |
9 | 87572740134 |
10 | 30856435600 |
11 | 120a4720851 |
12 | 5b91911694 |
13 | 2ba9947723 |
14 | 16ca0a49c4 |
15 | c08dec8ba |
hex | 72f2fd790 |
30856435600 has 45 divisors (see below), whose sum is σ = 74141027953. Its totient is φ = 12341168960.
The previous prime is 30856435553. The next prime is 30856435637. The reversal of 30856435600 is 653465803.
The square root of 30856435600 is 175660.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 11108316816 + 19748118784 = 105396^2 + 140528^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3508809 + ... + 3517591.
Almost surely, 230856435600 is an apocalyptic number.
30856435600 is the 175660-th square number.
It is an amenable number.
30856435600 is an abundant number, since it is smaller than the sum of its proper divisors (43284592353).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30856435600 is an frugal number, since it uses more digits than its factorization.
30856435600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17584 (or 8790 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 40.
The spelling of 30856435600 in words is "thirty billion, eight hundred fifty-six million, four hundred thirty-five thousand, six hundred".
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