Base | Representation |
---|---|
bin | 110100100011010000011111… |
… | …100110000101100010111000 |
3 | 1010022022222111111022102120220 |
4 | 310203100133212011202320 |
5 | 220243142420403211412 |
6 | 2135315355242020040 |
7 | 66452651344362261 |
oct | 6443203746054270 |
9 | 1108288444272526 |
10 | 231121310210232 |
11 | 67707aa7325792 |
12 | 21b08a371a7620 |
13 | 9bc6852452440 |
14 | 411048c77b968 |
15 | 1babee05e068c |
hex | d2341f9858b8 |
231121310210232 has 64 divisors (see below), whose sum is σ = 623127326052000. Its totient is φ = 71013947042304.
The previous prime is 231121310210101. The next prime is 231121310210243. The reversal of 231121310210232 is 232012013121132.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522186007 + ... + 522628422.
Almost surely, 2231121310210232 is an apocalyptic number.
It is an amenable number.
231121310210232 is an abundant number, since it is smaller than the sum of its proper divisors (392006015841768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231121310210232 is a wasteful number, since it uses less digits than its factorization.
231121310210232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1044815160 (or 1044815156 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 231121310210232 its reverse (232012013121132), we get a palindrome (463133323331364).
The spelling of 231121310210232 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, three hundred ten million, two hundred ten thousand, two hundred thirty-two".
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