Base | Representation |
---|---|
bin | 11011111101100000… |
… | …011110000010101111 |
3 | 2212111100110221100101 |
4 | 123331200132002233 |
5 | 442441333413322 |
6 | 21443052011531 |
7 | 2111665605433 |
oct | 337540360257 |
9 | 85440427311 |
10 | 30022951087 |
11 | 1180719a578 |
12 | 599a760ba7 |
13 | 2aa606c81c |
14 | 164b5009c3 |
15 | baab5e327 |
hex | 6fd81e0af |
30022951087 has 2 divisors, whose sum is σ = 30022951088. Its totient is φ = 30022951086.
The previous prime is 30022951073. The next prime is 30022951093. The reversal of 30022951087 is 78015922003.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30022951087 - 215 = 30022918319 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30022951027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011475543 + 15011475544.
It is an arithmetic number, because the mean of its divisors is an integer number (15011475544).
Almost surely, 230022951087 is an apocalyptic number.
30022951087 is a deficient number, since it is larger than the sum of its proper divisors (1).
30022951087 is an equidigital number, since it uses as much as digits as its factorization.
30022951087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 37.
The spelling of 30022951087 in words is "thirty billion, twenty-two million, nine hundred fifty-one thousand, eighty-seven".
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