Base | Representation |
---|---|
bin | 111101000011101111… |
… | …1001111000001011000 |
3 | 110112110010102102000102 |
4 | 1322013133033001120 |
5 | 4122014231143112 |
6 | 140123042154532 |
7 | 12321220503254 |
oct | 1720737170130 |
9 | 415403372012 |
10 | 131122131032 |
11 | 5067702a852 |
12 | 214b4652a48 |
13 | c4985038a9 |
14 | 64bc529264 |
15 | 362661bbc2 |
hex | 1e877cf058 |
131122131032 has 8 divisors (see below), whose sum is σ = 245853995700. Its totient is φ = 65561065512.
The previous prime is 131122131031. The next prime is 131122131047. The reversal of 131122131032 is 230131221131.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 131122130995 and 131122131013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131122131031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8195133182 + ... + 8195133197.
Almost surely, 2131122131032 is an apocalyptic number.
It is an amenable number.
131122131032 is a deficient number, since it is larger than the sum of its proper divisors (114731864668).
131122131032 is a wasteful number, since it uses less digits than its factorization.
131122131032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16390266385 (or 16390266381 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131122131032 its reverse (230131221131), we get a palindrome (361253352163).
Subtracting 131122131032 from its reverse (230131221131), we obtain a palindrome (99009090099).
The spelling of 131122131032 in words is "one hundred thirty-one billion, one hundred twenty-two million, one hundred thirty-one thousand, thirty-two".
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