Base | Representation |
---|---|
bin | 10001111010101011000… |
… | …010100001000001010100 |
3 | 11100201000112212011101210 |
4 | 101322223002201001110 |
5 | 130133024413211012 |
6 | 2341341440221420 |
7 | 154645014052236 |
oct | 21725302410124 |
9 | 4321015764353 |
10 | 1231230210132 |
11 | 4351863a020a |
12 | 17a75460a870 |
13 | 8c1487c0aa0 |
14 | 438400c8256 |
15 | 2206181b23c |
hex | 11eab0a1054 |
1231230210132 has 24 divisors (see below), whose sum is σ = 3093860528416. Its totient is φ = 378840064608.
The previous prime is 1231230210121. The next prime is 1231230210139. The reversal of 1231230210132 is 2310120321321.
It is a super-3 number, since 3×12312302101323 (a number of 37 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1231230210099 and 1231230210108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231230210139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946250518 + ... + 3946250829.
Almost surely, 21231230210132 is an apocalyptic number.
1231230210132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1231230210132 is an abundant number, since it is smaller than the sum of its proper divisors (1862630318284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1231230210132 is a wasteful number, since it uses less digits than its factorization.
1231230210132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7892501367 (or 7892501365 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1231230210132 its reverse (2310120321321), we get a palindrome (3541350531453).
The spelling of 1231230210132 in words is "one trillion, two hundred thirty-one billion, two hundred thirty million, two hundred ten thousand, one hundred thirty-two".
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