Base | Representation |
---|---|
bin | 11011111100111110… |
… | …000110110011101111 |
3 | 2212110201112021121101 |
4 | 123330332012303233 |
5 | 442432032134043 |
6 | 21442130543531 |
7 | 2111526210031 |
oct | 337476066357 |
9 | 85421467541 |
10 | 30013943023 |
11 | 118020a7699 |
12 | 5997737ba7 |
13 | 2aa42375cc |
14 | 164a237c51 |
15 | ba9e8024d |
hex | 6fcf86cef |
30013943023 has 2 divisors, whose sum is σ = 30013943024. Its totient is φ = 30013943022.
The previous prime is 30013943017. The next prime is 30013943083. The reversal of 30013943023 is 32034931003.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30013943023 - 217 = 30013811951 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30013942982 and 30013943000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30013943083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006971511 + 15006971512.
It is an arithmetic number, because the mean of its divisors is an integer number (15006971512).
Almost surely, 230013943023 is an apocalyptic number.
30013943023 is a deficient number, since it is larger than the sum of its proper divisors (1).
30013943023 is an equidigital number, since it uses as much as digits as its factorization.
30013943023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 28.
The spelling of 30013943023 in words is "thirty billion, thirteen million, nine hundred forty-three thousand, twenty-three".
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