Base | Representation |
---|---|
bin | 111101000011110001… |
… | …0100101111100000100 |
3 | 110112110012002010120010 |
4 | 1322013202211330010 |
5 | 4122014442330312 |
6 | 140123113110220 |
7 | 12321231130605 |
oct | 1720742457404 |
9 | 415405063503 |
10 | 131123011332 |
11 | 50677581175 |
12 | 214b49b8370 |
13 | c498751491 |
14 | 64bc6b7dac |
15 | 362674293c |
hex | 1e878a5f04 |
131123011332 has 24 divisors (see below), whose sum is σ = 306189622816. Its totient is φ = 43673966208.
The previous prime is 131123011291. The next prime is 131123011333. The reversal of 131123011332 is 233110321131.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 131123011299 and 131123011308.
It is not an unprimeable number, because it can be changed into a prime (131123011333) 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, 4196818 + ... + 4227945.
Almost surely, 2131123011332 is an apocalyptic number.
131123011332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131123011332 is an abundant number, since it is smaller than the sum of its proper divisors (175066611484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131123011332 is a wasteful number, since it uses less digits than its factorization.
131123011332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8426067 (or 8426065 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 131123011332 its reverse (233110321131), we get a palindrome (364233332463).
The spelling of 131123011332 in words is "one hundred thirty-one billion, one hundred twenty-three million, eleven thousand, three hundred thirty-two".
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