Base | Representation |
---|---|
bin | 11101110101010000011100… |
… | …101011111100011111101000 |
3 | 122012112220020120101202000010 |
4 | 131311100130223330133220 |
5 | 114144113013403141412 |
6 | 1143013520315411520 |
7 | 36431054114050656 |
oct | 3565203453743750 |
9 | 565486216352003 |
10 | 131203142240232 |
11 | 38894a38376977 |
12 | 1287006aa53ba0 |
13 | 5829531b6732a |
14 | 24583a1b57dd6 |
15 | 1027d6507333c |
hex | 77541cafc7e8 |
131203142240232 has 32 divisors (see below), whose sum is σ = 329314659821280. Its totient is φ = 43560140184000.
The previous prime is 131203142240213. The next prime is 131203142240239. The reversal of 131203142240232 is 232042241302131.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 131203142240232.
It is not an unprimeable number, because it can be changed into a prime (131203142240239) 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, 10890029023 + ... + 10890041070.
It is an arithmetic number, because the mean of its divisors is an integer number (10291083119415).
Almost surely, 2131203142240232 is an apocalyptic number.
131203142240232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131203142240232 is an abundant number, since it is smaller than the sum of its proper divisors (198111517581048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131203142240232 is a wasteful number, since it uses less digits than its factorization.
131203142240232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21780070353 (or 21780070349 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 131203142240232 its reverse (232042241302131), we get a palindrome (363245383542363).
The spelling of 131203142240232 in words is "one hundred thirty-one trillion, two hundred three billion, one hundred forty-two million, two hundred forty thousand, two hundred thirty-two".
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