Base | Representation |
---|---|
bin | 11100001000101010… |
… | …100011001110111101 |
3 | 2212222101201021121022 |
4 | 130020222203032331 |
5 | 443332244040130 |
6 | 21513420113525 |
7 | 2116430660066 |
oct | 341052431675 |
9 | 85871637538 |
10 | 30210143165 |
11 | 118a2924774 |
12 | 5a313958a5 |
13 | 2b05a91177 |
14 | 166830b56d |
15 | bbc2d87e5 |
hex | 708aa33bd |
30210143165 has 32 divisors (see below), whose sum is σ = 40638827520. Its totient is φ = 21424518144.
The previous prime is 30210143143. The next prime is 30210143177. The reversal of 30210143165 is 56134101203.
It is a cyclic number.
It is not a de Polignac number, because 30210143165 - 226 = 30143034301 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225332 + ... + 333458.
It is an arithmetic number, because the mean of its divisors is an integer number (1269963360).
Almost surely, 230210143165 is an apocalyptic number.
It is an amenable number.
30210143165 is a deficient number, since it is larger than the sum of its proper divisors (10428684355).
30210143165 is a wasteful number, since it uses less digits than its factorization.
30210143165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108341.
The product of its (nonzero) digits is 2160, while the sum is 26.
Adding to 30210143165 its reverse (56134101203), we get a palindrome (86344244368).
The spelling of 30210143165 in words is "thirty billion, two hundred ten million, one hundred forty-three thousand, one hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •