Base | Representation |
---|---|
bin | 111101001010010011… |
… | …1101101101110010000 |
3 | 110120000111000011110000 |
4 | 1322110213231232100 |
5 | 4122442132121434 |
6 | 140200552410000 |
7 | 12326534320221 |
oct | 1722447555620 |
9 | 416014004400 |
10 | 131342457744 |
11 | 5077a436543 |
12 | 215563a6900 |
13 | c502056c24 |
14 | 64dd8bd248 |
15 | 363ab3db99 |
hex | 1e949edb90 |
131342457744 has 75 divisors (see below), whose sum is σ = 380180943307. Its totient is φ = 43776470304.
The previous prime is 131342457721. The next prime is 131342457773. The reversal of 131342457744 is 447754243131.
The square root of 131342457744 is 362412.
It is a perfect power (a square), and thus also a powerful number.
131342457744 is a `hidden beast` number, since 1 + 3 + 1 + 34 + 2 + 4 + 577 + 44 = 666.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131342457744.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 13041799 + ... + 13051865.
Almost surely, 2131342457744 is an apocalyptic number.
131342457744 is the 362412-nd square number.
It is an amenable number.
131342457744 is an abundant number, since it is smaller than the sum of its proper divisors (248838485563).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131342457744 is an frugal number, since it uses more digits than its factorization.
131342457744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20154 (or 10072 counting only the distinct ones).
The product of its digits is 1128960, while the sum is 45.
The spelling of 131342457744 in words is "one hundred thirty-one billion, three hundred forty-two million, four hundred fifty-seven thousand, seven hundred forty-four".
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