Base | Representation |
---|---|
bin | 11101110101101011100110… |
… | …110100001101111101001000 |
3 | 122012122200111211220111201000 |
4 | 131311223212310031331020 |
5 | 114200102224110212222 |
6 | 1143035142100255000 |
7 | 36433135545155313 |
oct | 3565534664157510 |
9 | 565580454814630 |
10 | 131232303210312 |
11 | 388a6341a41347 |
12 | 128758489a1460 |
13 | 582c1cb462405 |
14 | 245996a99797a |
15 | 10289c01b59ac |
hex | 775ae6d0df48 |
131232303210312 has 128 divisors (see below), whose sum is σ = 365399178105600. Its totient is φ = 43640422285824.
The previous prime is 131232303210311. The next prime is 131232303210367. The reversal of 131232303210312 is 213012303232131.
131232303210312 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 23 + 0 + 321 + 0 + 312 = 666.
It is a super-2 number, since 2×1312323032103122 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (131232303210311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155405853 + ... + 156248019.
It is an arithmetic number, because the mean of its divisors is an integer number (2854681078950).
Almost surely, 2131232303210312 is an apocalyptic number.
131232303210312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131232303210312 is an abundant number, since it is smaller than the sum of its proper divisors (234166874895288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131232303210312 is a wasteful number, since it uses less digits than its factorization.
131232303210312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 843892 (or 843882 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 131232303210312 its reverse (213012303232131), we get a palindrome (344244606442443).
The spelling of 131232303210312 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, three hundred three million, two hundred ten thousand, three hundred twelve".
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