Base | Representation |
---|---|
bin | 111101000100010110… |
… | …0111100101110111000 |
3 | 110112111112202102120210 |
4 | 1322020230330232320 |
5 | 4122034440101402 |
6 | 140125050551120 |
7 | 12321555612630 |
oct | 1721054745670 |
9 | 415445672523 |
10 | 131142503352 |
11 | 50687584883 |
12 | 214bb4384a0 |
13 | c49c7b7613 |
14 | 64c110d6c0 |
15 | 36282e306c |
hex | 1e88b3cbb8 |
131142503352 has 256 divisors, whose sum is σ = 398131200000. Its totient is φ = 35208875520.
The previous prime is 131142503329. The next prime is 131142503353. The reversal of 131142503352 is 253305241131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131142503353) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27324649 + ... + 27329447.
It is an arithmetic number, because the mean of its divisors is an integer number (1555200000).
Almost surely, 2131142503352 is an apocalyptic number.
131142503352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131142503352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199065600000).
131142503352 is an abundant number, since it is smaller than the sum of its proper divisors (266988696648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131142503352 is a wasteful number, since it uses less digits than its factorization.
131142503352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4994 (or 4990 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 131142503352 its reverse (253305241131), we get a palindrome (384447744483).
The spelling of 131142503352 in words is "one hundred thirty-one billion, one hundred forty-two million, five hundred three thousand, three hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.134 sec. • engine limits •