Base | Representation |
---|---|
bin | 11100001000110001… |
… | …101000000101100101 |
3 | 2212222112012112000212 |
4 | 130020301220011211 |
5 | 443333232414203 |
6 | 21513523545205 |
7 | 2116452513656 |
oct | 341061500545 |
9 | 85875175025 |
10 | 30211998053 |
11 | 118a3981336 |
12 | 5a31b2b205 |
13 | 2b06290533 |
14 | 166867152d |
15 | bbc5531d8 |
hex | 708c68165 |
30211998053 has 2 divisors, whose sum is σ = 30211998054. Its totient is φ = 30211998052.
The previous prime is 30211998031. The next prime is 30211998079. The reversal of 30211998053 is 35089911203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18361063009 + 11850935044 = 135503^2 + 108862^2 .
It is an emirp because it is prime and its reverse (35089911203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30211998053 - 26 = 30211997989 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30211998053.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30211998023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105999026 + 15105999027.
It is an arithmetic number, because the mean of its divisors is an integer number (15105999027).
Almost surely, 230211998053 is an apocalyptic number.
It is an amenable number.
30211998053 is a deficient number, since it is larger than the sum of its proper divisors (1).
30211998053 is an equidigital number, since it uses as much as digits as its factorization.
30211998053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 58320, while the sum is 41.
The spelling of 30211998053 in words is "thirty billion, two hundred eleven million, nine hundred ninety-eight thousand, fifty-three".
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