Base | Representation |
---|---|
bin | 1101011010000010111… |
… | …1010110001110000111 |
3 | 211000112002121000002010 |
4 | 3112200233112032013 |
5 | 12233203442024111 |
6 | 253451231545303 |
7 | 22432535656200 |
oct | 3264057261607 |
9 | 730462530063 |
10 | 230330033031 |
11 | 897563319aa |
12 | 3878108b233 |
13 | 18948b99097 |
14 | b2102ba5a7 |
15 | 5ed1040aa6 |
hex | 35a0bd6387 |
230330033031 has 24 divisors (see below), whose sum is σ = 360929558640. Its totient is φ = 130260275712.
The previous prime is 230330033009. The next prime is 230330033033. The reversal of 230330033031 is 130330033032.
It is not a de Polignac number, because 230330033031 - 210 = 230330032007 is a prime.
It is a super-2 number, since 2×2303300330312 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 230330032989 and 230330033007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230330033033) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8062396 + ... + 8090913.
It is an arithmetic number, because the mean of its divisors is an integer number (15038731610).
Almost surely, 2230330033031 is an apocalyptic number.
230330033031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
230330033031 is a deficient number, since it is larger than the sum of its proper divisors (130599525609).
230330033031 is a wasteful number, since it uses less digits than its factorization.
230330033031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16153423 (or 16153416 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 21.
Adding to 230330033031 its reverse (130330033032), we get a palindrome (360660066063).
Subtracting from 230330033031 its reverse (130330033032), we obtain a palindrome (99999999999).
The spelling of 230330033031 in words is "two hundred thirty billion, three hundred thirty million, thirty-three thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •