Base | Representation |
---|---|
bin | 1111101000010… |
… | …11101110010110 |
3 | 100010201120212010 |
4 | 13310023232112 |
5 | 232031320042 |
6 | 21002205050 |
7 | 3151334055 |
oct | 764135626 |
9 | 303646763 |
10 | 131120022 |
11 | 68017460 |
12 | 37ab3786 |
13 | 2121b517 |
14 | 135b239c |
15 | b7a059c |
hex | 7d0bb96 |
131120022 has 32 divisors (see below), whose sum is σ = 286498944. Its totient is φ = 39675200.
The previous prime is 131120021. The next prime is 131120053. The reversal of 131120022 is 220021131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131120021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71497 + ... + 73307.
It is an arithmetic number, because the mean of its divisors is an integer number (8953092).
Almost surely, 2131120022 is an apocalyptic number.
131120022 is an abundant number, since it is smaller than the sum of its proper divisors (155378922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131120022 is a wasteful number, since it uses less digits than its factorization.
131120022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2924.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 131120022 is about 11450.7651272742. The cubic root of 131120022 is about 508.0303653290.
Adding to 131120022 its reverse (220021131), we get a palindrome (351141153).
The spelling of 131120022 in words is "one hundred thirty-one million, one hundred twenty thousand, twenty-two".
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