Base | Representation |
---|---|
bin | 11100011101001110… |
… | …001101111000011011 |
3 | 2220212102200201021212 |
4 | 130131032031320123 |
5 | 1000034042142321 |
6 | 22011540253335 |
7 | 2131116350066 |
oct | 343516157033 |
9 | 86772621255 |
10 | 30555037211 |
11 | 11a5a581776 |
12 | 5b089a124b |
13 | 2b5c37a29a |
14 | 169c0498dd |
15 | bdc71455b |
hex | 71d38de1b |
30555037211 has 2 divisors, whose sum is σ = 30555037212. Its totient is φ = 30555037210.
The previous prime is 30555037157. The next prime is 30555037213. The reversal of 30555037211 is 11273055503.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30555037211 - 214 = 30555020827 is a prime.
It is a super-2 number, since 2×305550372112 (a number of 22 digits) contains 22 as substring.
Together with 30555037213, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30555037213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277518605 + 15277518606.
It is an arithmetic number, because the mean of its divisors is an integer number (15277518606).
Almost surely, 230555037211 is an apocalyptic number.
30555037211 is a deficient number, since it is larger than the sum of its proper divisors (1).
30555037211 is an equidigital number, since it uses as much as digits as its factorization.
30555037211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15750, while the sum is 32.
The spelling of 30555037211 in words is "thirty billion, five hundred fifty-five million, thirty-seven thousand, two hundred eleven".
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