Base | Representation |
---|---|
bin | 11101110010110000001010… |
… | …100111101100001100000110 |
3 | 122011221110000111111121022011 |
4 | 131302300022213230030012 |
5 | 114133303032323140032 |
6 | 1142402455020524434 |
7 | 36412452221652340 |
oct | 3562601247541406 |
9 | 564843014447264 |
10 | 131031040443142 |
11 | 38828a523a3514 |
12 | 1284283a3b071a |
13 | 5816235643438 |
14 | 244dd16cc8290 |
15 | 1023640e58247 |
hex | 772c0a9ec306 |
131031040443142 has 16 divisors (see below), whose sum is σ = 226940358708000. Its totient is φ = 55577230702848.
The previous prime is 131031040443109. The next prime is 131031040443203. The reversal of 131031040443142 is 241344040130131.
It is a super-2 number, since 2×1310310404431422 (a number of 29 digits) contains 22 as substring.
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, 48244122517 + ... + 48244125232.
It is an arithmetic number, because the mean of its divisors is an integer number (14183772419250).
Almost surely, 2131031040443142 is an apocalyptic number.
131031040443142 is a deficient number, since it is larger than the sum of its proper divisors (95909318264858).
131031040443142 is an equidigital number, since it uses as much as digits as its factorization.
131031040443142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96488247855.
The product of its (nonzero) digits is 13824, while the sum is 31.
Adding to 131031040443142 its reverse (241344040130131), we get a palindrome (372375080573273).
The spelling of 131031040443142 in words is "one hundred thirty-one trillion, thirty-one billion, forty million, four hundred forty-three thousand, one hundred forty-two".
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