Base | Representation |
---|---|
bin | 11100001100110000… |
… | …000010000010111111 |
3 | 2220011011200202202102 |
4 | 130030300002002333 |
5 | 444002321021314 |
6 | 21524305215315 |
7 | 2121222416051 |
oct | 341460020277 |
9 | 86134622672 |
10 | 30278688959 |
11 | 11928592192 |
12 | 5a5033153b |
13 | 2b17040acc |
14 | 16734718d1 |
15 | bc33285de |
hex | 70cc020bf |
30278688959 has 2 divisors, whose sum is σ = 30278688960. Its totient is φ = 30278688958.
The previous prime is 30278688949. The next prime is 30278688961. The reversal of 30278688959 is 95988687203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30278688959 - 24 = 30278688943 is a prime.
Together with 30278688961, 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 = 30278688895 and 30278688904.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30278688949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15139344479 + 15139344480.
It is an arithmetic number, because the mean of its divisors is an integer number (15139344480).
Almost surely, 230278688959 is an apocalyptic number.
30278688959 is a deficient number, since it is larger than the sum of its proper divisors (1).
30278688959 is an equidigital number, since it uses as much as digits as its factorization.
30278688959 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 52254720, while the sum is 65.
The spelling of 30278688959 in words is "thirty billion, two hundred seventy-eight million, six hundred eighty-eight thousand, nine hundred fifty-nine".
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