Base | Representation |
---|---|
bin | 11100010101001000… |
… | …001111001110111111 |
3 | 2220111222012010012212 |
4 | 130111020033032333 |
5 | 444244312032114 |
6 | 21550250051035 |
7 | 2124550243232 |
oct | 342510171677 |
9 | 86458163185 |
10 | 30419252159 |
11 | 1199a96941a |
12 | 5a8b419a7b |
13 | 2b3a1b75ba |
14 | 1687dc1419 |
15 | bd0841b3e |
hex | 71520f3bf |
30419252159 has 2 divisors, whose sum is σ = 30419252160. Its totient is φ = 30419252158.
The previous prime is 30419252153. The next prime is 30419252161. The reversal of 30419252159 is 95125291403.
It is a strong prime.
It is an emirp because it is prime and its reverse (95125291403) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30419252159 - 212 = 30419248063 is a prime.
It is a super-2 number, since 2×304192521592 (a number of 22 digits) contains 22 as substring.
Together with 30419252161, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30419252153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15209626079 + 15209626080.
It is an arithmetic number, because the mean of its divisors is an integer number (15209626080).
Almost surely, 230419252159 is an apocalyptic number.
30419252159 is a deficient number, since it is larger than the sum of its proper divisors (1).
30419252159 is an equidigital number, since it uses as much as digits as its factorization.
30419252159 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 97200, while the sum is 41.
The spelling of 30419252159 in words is "thirty billion, four hundred nineteen million, two hundred fifty-two thousand, one hundred fifty-nine".
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