Base | Representation |
---|---|
bin | 11100011101001110… |
… | …001110001001010011 |
3 | 2220212102200202202212 |
4 | 130131032032021103 |
5 | 1000034042211131 |
6 | 22011540302335 |
7 | 2131116353201 |
oct | 343516161123 |
9 | 86772622685 |
10 | 30555038291 |
11 | 11a5a582568 |
12 | 5b089a19ab |
13 | 2b5c37a91b |
14 | 169c04a071 |
15 | bdc714a2b |
hex | 71d38e253 |
30555038291 has 2 divisors, whose sum is σ = 30555038292. Its totient is φ = 30555038290.
The previous prime is 30555038263. The next prime is 30555038333. The reversal of 30555038291 is 19283055503.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30555038291 - 214 = 30555021907 is a prime.
It is a super-2 number, since 2×305550382912 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30555037291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277519145 + 15277519146.
It is an arithmetic number, because the mean of its divisors is an integer number (15277519146).
Almost surely, 230555038291 is an apocalyptic number.
30555038291 is a deficient number, since it is larger than the sum of its proper divisors (1).
30555038291 is an equidigital number, since it uses as much as digits as its factorization.
30555038291 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 162000, while the sum is 41.
The spelling of 30555038291 in words is "thirty billion, five hundred fifty-five million, thirty-eight thousand, two hundred ninety-one".
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