Base | Representation |
---|---|
bin | 11100000101100000… |
… | …111010111110010101 |
3 | 2212211201020221000022 |
4 | 130011200322332111 |
5 | 443230231143232 |
6 | 21504251154525 |
7 | 2115216466313 |
oct | 340540727625 |
9 | 85751227008 |
10 | 30157287317 |
11 | 11876003353 |
12 | 5a17745a45 |
13 | 2ac7b45c11 |
14 | 16612ad0b3 |
15 | bb7847812 |
hex | 70583af95 |
30157287317 has 16 divisors (see below), whose sum is σ = 31340113920. Its totient is φ = 28997627568.
The previous prime is 30157287301. The next prime is 30157287359. The reversal of 30157287317 is 71378275103.
It is a cyclic number.
It is not a de Polignac number, because 30157287317 - 24 = 30157287301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30157287367) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8003768 + ... + 8007534.
It is an arithmetic number, because the mean of its divisors is an integer number (1958757120).
Almost surely, 230157287317 is an apocalyptic number.
It is an amenable number.
30157287317 is a deficient number, since it is larger than the sum of its proper divisors (1182826603).
30157287317 is a wasteful number, since it uses less digits than its factorization.
30157287317 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6760.
The product of its (nonzero) digits is 246960, while the sum is 44.
The spelling of 30157287317 in words is "thirty billion, one hundred fifty-seven million, two hundred eighty-seven thousand, three hundred seventeen".
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