Base | Representation |
---|---|
bin | 111101001001011110… |
… | …1001111010001101000 |
3 | 110112221112111002102010 |
4 | 1322102331033101220 |
5 | 4122413010431033 |
6 | 140154114235520 |
7 | 12326045136210 |
oct | 1722275172150 |
9 | 415845432363 |
10 | 131314545768 |
11 | 5076570189a |
12 | 21548b85ba0 |
13 | c4c9333473 |
14 | 64d9cd5240 |
15 | 3638478863 |
hex | 1e92f4f468 |
131314545768 has 128 divisors (see below), whose sum is σ = 377983307520. Its totient is φ = 37239367680.
The previous prime is 131314545751. The next prime is 131314545773. The reversal of 131314545768 is 867545413131.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16933380 + ... + 16941132.
It is an arithmetic number, because the mean of its divisors is an integer number (2952994590).
Almost surely, 2131314545768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131314545768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188991653760).
131314545768 is an abundant number, since it is smaller than the sum of its proper divisors (246668761752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131314545768 is a wasteful number, since it uses less digits than its factorization.
131314545768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8507 (or 8503 counting only the distinct ones).
The product of its digits is 1209600, while the sum is 48.
Adding to 131314545768 its reverse (867545413131), we get a palindrome (998859958899).
The spelling of 131314545768 in words is "one hundred thirty-one billion, three hundred fourteen million, five hundred forty-five thousand, seven hundred sixty-eight".
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