Base | Representation |
---|---|
bin | 11100010101001100… |
… | …101110110100101111 |
3 | 2220112001101222002022 |
4 | 130111030232310233 |
5 | 444300112231002 |
6 | 21550331220355 |
7 | 2124563250443 |
oct | 342514566457 |
9 | 86461358068 |
10 | 30420430127 |
11 | 119a05a344a |
12 | 5a8b8a76bb |
13 | 2b3a50a819 |
14 | 168820a823 |
15 | bd09c5ba2 |
hex | 71532ed2f |
30420430127 has 2 divisors, whose sum is σ = 30420430128. Its totient is φ = 30420430126.
The previous prime is 30420430099. The next prime is 30420430129. The reversal of 30420430127 is 72103402403.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30420430127 - 224 = 30403652911 is a prime.
It is a super-2 number, since 2×304204301272 (a number of 22 digits) contains 22 as substring.
Together with 30420430129, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 30420430096 and 30420430105.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30420430129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210215063 + 15210215064.
It is an arithmetic number, because the mean of its divisors is an integer number (15210215064).
Almost surely, 230420430127 is an apocalyptic number.
30420430127 is a deficient number, since it is larger than the sum of its proper divisors (1).
30420430127 is an equidigital number, since it uses as much as digits as its factorization.
30420430127 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 26.
The spelling of 30420430127 in words is "thirty billion, four hundred twenty million, four hundred thirty thousand, one hundred twenty-seven".
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