Base | Representation |
---|---|
bin | 101010010111010000… |
… | …0011011111010100111 |
3 | 22200211011200220020021 |
4 | 1110232200123322213 |
5 | 2442303442134403 |
6 | 105443152420011 |
7 | 6400302032656 |
oct | 1245640337247 |
9 | 280734626207 |
10 | 90974568103 |
11 | 35644854581 |
12 | 1576b247607 |
13 | 876a9c67b3 |
14 | 459050919d |
15 | 2576bd78bd |
hex | 152e81bea7 |
90974568103 has 2 divisors, whose sum is σ = 90974568104. Its totient is φ = 90974568102.
The previous prime is 90974568011. The next prime is 90974568109. The reversal of 90974568103 is 30186547909.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 90974568103 - 29 = 90974567591 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (90974568109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45487284051 + 45487284052.
It is an arithmetic number, because the mean of its divisors is an integer number (45487284052).
Almost surely, 290974568103 is an apocalyptic number.
90974568103 is a deficient number, since it is larger than the sum of its proper divisors (1).
90974568103 is an equidigital number, since it uses as much as digits as its factorization.
90974568103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1632960, while the sum is 52.
The spelling of 90974568103 in words is "ninety billion, nine hundred seventy-four million, five hundred sixty-eight thousand, one hundred three".
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