Base | Representation |
---|---|
bin | 111101000011011110… |
… | …0111001100010011100 |
3 | 110112102111111010010001 |
4 | 1322012330321202130 |
5 | 4122004430131030 |
6 | 140122121224044 |
7 | 12321051134506 |
oct | 1720674714234 |
9 | 415374433101 |
10 | 131113130140 |
11 | 50671a422a3 |
12 | 214b1632024 |
13 | c4966a1a15 |
14 | 64bb264d76 |
15 | 362593ecca |
hex | 1e86f3989c |
131113130140 has 24 divisors (see below), whose sum is σ = 289829025360. Its totient is φ = 49684975488.
The previous prime is 131113130119. The next prime is 131113130147. The reversal of 131113130140 is 41031311131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131113130147) 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, 172516897 + ... + 172517656.
It is an arithmetic number, because the mean of its divisors is an integer number (12076209390).
Almost surely, 2131113130140 is an apocalyptic number.
131113130140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131113130140 is an abundant number, since it is smaller than the sum of its proper divisors (158715895220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131113130140 is a wasteful number, since it uses less digits than its factorization.
131113130140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345034581 (or 345034579 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 131113130140 its reverse (41031311131), we get a palindrome (172144441271).
The spelling of 131113130140 in words is "one hundred thirty-one billion, one hundred thirteen million, one hundred thirty thousand, one hundred forty".
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