Base | Representation |
---|---|
bin | 11100000011111001… |
… | …010110010010101110 |
3 | 2212202211011111201210 |
4 | 130003321112102232 |
5 | 443201303324423 |
6 | 21501441215250 |
7 | 2114436634536 |
oct | 340371262256 |
9 | 85684144653 |
10 | 30130136238 |
11 | 11861749344 |
12 | 5a0a631526 |
13 | 2ac232a8a7 |
14 | 165b8424c6 |
15 | bb5282b93 |
hex | 703e564ae |
30130136238 has 16 divisors (see below), whose sum is σ = 60566164560. Its totient is φ = 9992396736.
The previous prime is 30130136203. The next prime is 30130136243. The reversal of 30130136238 is 83263103103.
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, 12744223 + ... + 12746586.
It is an arithmetic number, because the mean of its divisors is an integer number (3785385285).
Almost surely, 230130136238 is an apocalyptic number.
30130136238 is an abundant number, since it is smaller than the sum of its proper divisors (30436028322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30130136238 is a wasteful number, since it uses less digits than its factorization.
30130136238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25491011.
The product of its (nonzero) digits is 7776, while the sum is 30.
The spelling of 30130136238 in words is "thirty billion, one hundred thirty million, one hundred thirty-six thousand, two hundred thirty-eight".
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