Base | Representation |
---|---|
bin | 111101001001101010… |
… | …1111001111100101010 |
3 | 110112221222122121102120 |
4 | 1322103111321330222 |
5 | 4122421134341020 |
6 | 140154505012110 |
7 | 12326154120216 |
oct | 1722325717452 |
9 | 415858577376 |
10 | 131321012010 |
11 | 50769318aa1 |
12 | 2154b184036 |
13 | c4ca788746 |
14 | 64daad9946 |
15 | 3638d04740 |
hex | 1e93579f2a |
131321012010 has 16 divisors (see below), whose sum is σ = 315170428896. Its totient is φ = 35018936528.
The previous prime is 131321011973. The next prime is 131321012023. The reversal of 131321012010 is 10210123131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 2188683504 + ... + 2188683563.
It is an arithmetic number, because the mean of its divisors is an integer number (19698151806).
Almost surely, 2131321012010 is an apocalyptic number.
131321012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131321012010 is an abundant number, since it is smaller than the sum of its proper divisors (183849416886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131321012010 is a wasteful number, since it uses less digits than its factorization.
131321012010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4377367077.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 131321012010 its reverse (10210123131), we get a palindrome (141531135141).
The spelling of 131321012010 in words is "one hundred thirty-one billion, three hundred twenty-one million, twelve thousand, ten".
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