Base | Representation |
---|---|
bin | 11100011101010110… |
… | …001111100110100101 |
3 | 2220212120122121201021 |
4 | 130131112033212211 |
5 | 1000040112011123 |
6 | 22012053331141 |
7 | 2131143262561 |
oct | 343526174645 |
9 | 86776577637 |
10 | 30557141413 |
11 | 11a60789687 |
12 | 5b09636ab1 |
13 | 2b5c935c86 |
14 | 169c4366a1 |
15 | bdc9ccc5d |
hex | 71d58f9a5 |
30557141413 has 2 divisors, whose sum is σ = 30557141414. Its totient is φ = 30557141412.
The previous prime is 30557141411. The next prime is 30557141443. The reversal of 30557141413 is 31414175503.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22851461889 + 7705679524 = 151167^2 + 87782^2 .
It is a cyclic number.
It is not a de Polignac number, because 30557141413 - 21 = 30557141411 is a prime.
Together with 30557141411, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30557141411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15278570706 + 15278570707.
It is an arithmetic number, because the mean of its divisors is an integer number (15278570707).
Almost surely, 230557141413 is an apocalyptic number.
It is an amenable number.
30557141413 is a deficient number, since it is larger than the sum of its proper divisors (1).
30557141413 is an equidigital number, since it uses as much as digits as its factorization.
30557141413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25200, while the sum is 34.
The spelling of 30557141413 in words is "thirty billion, five hundred fifty-seven million, one hundred forty-one thousand, four hundred thirteen".
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