Base | Representation |
---|---|
bin | 11100011110011010… |
… | …011011101001101001 |
3 | 2220220211021202210111 |
4 | 130132122123221221 |
5 | 1000104201012203 |
6 | 22013532414321 |
7 | 2131451231644 |
oct | 343632335151 |
9 | 86824252714 |
10 | 30575016553 |
11 | 11a6a888524 |
12 | 5b136173a1 |
13 | 2b63554193 |
14 | 16a096aa5b |
15 | bde35e26d |
hex | 71e69ba69 |
30575016553 has 2 divisors, whose sum is σ = 30575016554. Its totient is φ = 30575016552.
The previous prime is 30575016533. The next prime is 30575016557. The reversal of 30575016553 is 35561057503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25976413584 + 4598602969 = 161172^2 + 67813^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30575016553 is a prime.
It is not a weakly prime, because it can be changed into another prime (30575016557) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287508276 + 15287508277.
It is an arithmetic number, because the mean of its divisors is an integer number (15287508277).
Almost surely, 230575016553 is an apocalyptic number.
It is an amenable number.
30575016553 is a deficient number, since it is larger than the sum of its proper divisors (1).
30575016553 is an equidigital number, since it uses as much as digits as its factorization.
30575016553 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 236250, while the sum is 40.
The spelling of 30575016553 in words is "thirty billion, five hundred seventy-five million, sixteen thousand, five hundred fifty-three".
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