Base | Representation |
---|---|
bin | 11100010010011010… |
… | …011100111100111101 |
3 | 2220101210110120221112 |
4 | 130102122130330331 |
5 | 444201131222133 |
6 | 21541541411405 |
7 | 2123455102334 |
oct | 342232347475 |
9 | 86353416845 |
10 | 30373695293 |
11 | 11977182917 |
12 | 5a78109b65 |
13 | 2b30926686 |
14 | 1681d22d1b |
15 | bcb843648 |
hex | 71269cf3d |
30373695293 has 2 divisors, whose sum is σ = 30373695294. Its totient is φ = 30373695292.
The previous prime is 30373695283. The next prime is 30373695361. The reversal of 30373695293 is 39259637303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29159660644 + 1214034649 = 170762^2 + 34843^2 .
It is a cyclic number.
It is not a de Polignac number, because 30373695293 - 212 = 30373691197 is a prime.
It is a super-2 number, since 2×303736952932 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30373695283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15186847646 + 15186847647.
It is an arithmetic number, because the mean of its divisors is an integer number (15186847647).
Almost surely, 230373695293 is an apocalyptic number.
It is an amenable number.
30373695293 is a deficient number, since it is larger than the sum of its proper divisors (1).
30373695293 is an equidigital number, since it uses as much as digits as its factorization.
30373695293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2755620, while the sum is 50.
The spelling of 30373695293 in words is "thirty billion, three hundred seventy-three million, six hundred ninety-five thousand, two hundred ninety-three".
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