Base | Representation |
---|---|
bin | 11100011101001111… |
… | …000011000111010101 |
3 | 2220212110002210101111 |
4 | 130131033003013111 |
5 | 1000034121132003 |
6 | 22011545055021 |
7 | 2131121245555 |
oct | 343517030725 |
9 | 86773083344 |
10 | 30555255253 |
11 | 11a5a710576 |
12 | 5b08a87471 |
13 | 2b5c4255c3 |
14 | 169c0a5165 |
15 | bdc758e6d |
hex | 71d3c31d5 |
30555255253 has 2 divisors, whose sum is σ = 30555255254. Its totient is φ = 30555255252.
The previous prime is 30555255221. The next prime is 30555255271. The reversal of 30555255253 is 35255255503.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30310113604 + 245141649 = 174098^2 + 15657^2 .
It is a cyclic number.
It is not a de Polignac number, because 30555255253 - 25 = 30555255221 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30555255953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277627626 + 15277627627.
It is an arithmetic number, because the mean of its divisors is an integer number (15277627627).
Almost surely, 230555255253 is an apocalyptic number.
It is an amenable number.
30555255253 is a deficient number, since it is larger than the sum of its proper divisors (1).
30555255253 is an equidigital number, since it uses as much as digits as its factorization.
30555255253 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 562500, while the sum is 40.
The spelling of 30555255253 in words is "thirty billion, five hundred fifty-five million, two hundred fifty-five thousand, two hundred fifty-three".
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