Base | Representation |
---|---|
bin | 11100000011111111… |
… | …000100110000111010 |
3 | 2212202220222202210220 |
4 | 130003333010300322 |
5 | 443202144343211 |
6 | 21501533320510 |
7 | 2114455456041 |
oct | 340377046072 |
9 | 85686882726 |
10 | 30131637306 |
11 | 118625840a1 |
12 | 5a0b036136 |
13 | 2ac2734bb4 |
14 | 165bb13558 |
15 | bb547c806 |
hex | 703fc4c3a |
30131637306 has 32 divisors (see below), whose sum is σ = 60536863296. Its totient is φ = 9998352000.
The previous prime is 30131637299. The next prime is 30131637311. The reversal of 30131637306 is 60373613103.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831236 + ... + 1847616.
It is an arithmetic number, because the mean of its divisors is an integer number (1891776978).
Almost surely, 230131637306 is an apocalyptic number.
30131637306 is an abundant number, since it is smaller than the sum of its proper divisors (30405225990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30131637306 is a wasteful number, since it uses less digits than its factorization.
30131637306 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17758.
The product of its (nonzero) digits is 20412, while the sum is 33.
The spelling of 30131637306 in words is "thirty billion, one hundred thirty-one million, six hundred thirty-seven thousand, three hundred six".
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