Base | Representation |
---|---|
bin | 111101000110101110… |
… | …0101100110101110000 |
3 | 110112201002120212212002 |
4 | 1322031130230311300 |
5 | 4122220331130112 |
6 | 140141013353132 |
7 | 12323543462450 |
oct | 1721534546560 |
9 | 415632525762 |
10 | 131222130032 |
11 | 50718520554 |
12 | 215220387a8 |
13 | c4b3146ab6 |
14 | 64cb919d60 |
15 | 36302c11c2 |
hex | 1e8d72cd70 |
131222130032 has 40 divisors (see below), whose sum is σ = 291287984352. Its totient is φ = 56097792000.
The previous prime is 131222130001. The next prime is 131222130071. The reversal of 131222130032 is 230031222131.
It is a junction number, because it is equal to n+sod(n) for n = 131222129986 and 131222130013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415969 + ... + 1505792.
Almost surely, 2131222130032 is an apocalyptic number.
It is an amenable number.
131222130032 is an abundant number, since it is smaller than the sum of its proper divisors (160065854320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131222130032 is a wasteful number, since it uses less digits than its factorization.
131222130032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2922177 (or 2922171 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 131222130032 its reverse (230031222131), we get a palindrome (361253352163).
The spelling of 131222130032 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirty thousand, thirty-two".
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