Base | Representation |
---|---|
bin | 11101110100010111101000… |
… | …000110010000001101100000 |
3 | 122012100001202112212020100011 |
4 | 131310113220012100031200 |
5 | 114142113040340332034 |
6 | 1142525510224134304 |
7 | 36423464150016001 |
oct | 3564275006201540 |
9 | 565301675766304 |
10 | 131142130402144 |
11 | 3887107981a994 |
12 | 12860282167394 |
13 | 582385a8b68a4 |
14 | 2455454b551a8 |
15 | 1026493aa1864 |
hex | 7745e8190360 |
131142130402144 has 24 divisors (see below), whose sum is σ = 273373485067368. Its totient is φ = 61713943718400.
The previous prime is 131142130402121. The next prime is 131142130402147. The reversal of 131142130402144 is 441204031241131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131142130402147) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120535045782 + ... + 120535046869.
It is an arithmetic number, because the mean of its divisors is an integer number (11390561877807).
Almost surely, 2131142130402144 is an apocalyptic number.
It is an amenable number.
131142130402144 is an abundant number, since it is smaller than the sum of its proper divisors (142231354665224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131142130402144 is a wasteful number, since it uses less digits than its factorization.
131142130402144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241070092678 (or 241070092670 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
Adding to 131142130402144 its reverse (441204031241131), we get a palindrome (572346161643275).
The spelling of 131142130402144 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty million, four hundred two thousand, one hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •