Base | Representation |
---|---|
bin | 1101011000111011101… |
… | …1011100001000110111 |
3 | 210222202021022101012200 |
4 | 3112032323130020313 |
5 | 12232100442304421 |
6 | 253401435115543 |
7 | 22422250023120 |
oct | 3261673341067 |
9 | 728667271180 |
10 | 230031213111 |
11 | 89612694097 |
12 | 386b8ba2bb3 |
13 | 188cbcc246b |
14 | b1c2733047 |
15 | 5eb4bb6726 |
hex | 358eedc237 |
230031213111 has 48 divisors (see below), whose sum is σ = 385209976320. Its totient is φ = 129552131520.
The previous prime is 230031213109. The next prime is 230031213131. The reversal of 230031213111 is 111312130032.
230031213111 is a `hidden beast` number, since 2 + 300 + 31 + 21 + 311 + 1 = 666.
It is not a de Polignac number, because 230031213111 - 21 = 230031213109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230031213101) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17541025 + ... + 17554133.
It is an arithmetic number, because the mean of its divisors is an integer number (8025207840).
Almost surely, 2230031213111 is an apocalyptic number.
230031213111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
230031213111 is a deficient number, since it is larger than the sum of its proper divisors (155178763209).
230031213111 is a wasteful number, since it uses less digits than its factorization.
230031213111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17116 (or 17113 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 230031213111 its reverse (111312130032), we get a palindrome (341343343143).
The spelling of 230031213111 in words is "two hundred thirty billion, thirty-one million, two hundred thirteen thousand, one hundred eleven".
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