Base | Representation |
---|---|
bin | 101110001011111100100101… |
… | …110001111110101101011110 |
3 | 222122020010220110111021220121 |
4 | 232023330211301332231132 |
5 | 203111100004200420410 |
6 | 2000005051124505154 |
7 | 60533511215244004 |
oct | 5613744561765536 |
9 | 878203813437817 |
10 | 203131112123230 |
11 | 597a646a1a3865 |
12 | 1a94820654b1ba |
13 | 89462491ca395 |
14 | 382385399ca74 |
15 | 1873d8e0c49da |
hex | b8bf25c7eb5e |
203131112123230 has 8 divisors (see below), whose sum is σ = 365636001821832. Its totient is φ = 81252444849288.
The previous prime is 203131112123209. The next prime is 203131112123257. The reversal of 203131112123230 is 32321211131302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 203131112123195 and 203131112123204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10156555606152 + ... + 10156555606171.
It is an arithmetic number, because the mean of its divisors is an integer number (45704500227729).
Almost surely, 2203131112123230 is an apocalyptic number.
203131112123230 is a deficient number, since it is larger than the sum of its proper divisors (162504889698602).
203131112123230 is a wasteful number, since it uses less digits than its factorization.
203131112123230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20313111212330.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 203131112123230 its reverse (32321211131302), we get a palindrome (235452323254532).
The spelling of 203131112123230 in words is "two hundred three trillion, one hundred thirty-one billion, one hundred twelve million, one hundred twenty-three thousand, two hundred thirty".
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