Base | Representation |
---|---|
bin | 1001001001110010101… |
… | …0010000000000000000 |
3 | 120000212211020120101221 |
4 | 2102130222100000000 |
5 | 10034020232101221 |
6 | 200123252004424 |
7 | 14234505445531 |
oct | 2223452200000 |
9 | 500784216357 |
10 | 157247143936 |
11 | 60762a05703 |
12 | 26585900714 |
13 | 11a9cb37acc |
14 | 787a082688 |
15 | 4154e66541 |
hex | 249ca90000 |
157247143936 has 51 divisors (see below), whose sum is σ = 314695048521. Its totient is φ = 78572814336.
The previous prime is 157247143897. The next prime is 157247143993. The reversal of 157247143936 is 639341742751.
The square root of 157247143936 is 396544.
It is a perfect power (a square), and thus also a powerful number.
157247143936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 53202190336 + 104044953600 = 230656^2 + 322560^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 101514490 + ... + 101516038.
Almost surely, 2157247143936 is an apocalyptic number.
157247143936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
157247143936 is the 396544-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157247143936
157247143936 is an abundant number, since it is smaller than the sum of its proper divisors (157447904585).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157247143936 is an frugal number, since it uses more digits than its factorization.
157247143936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3130 (or 1551 counting only the distinct ones).
The product of its digits is 3810240, while the sum is 52.
The spelling of 157247143936 in words is "one hundred fifty-seven billion, two hundred forty-seven million, one hundred forty-three thousand, nine hundred thirty-six".
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