Base | Representation |
---|---|
bin | 111100110000001111011… |
… | …0001001101100101110001 |
3 | 1002120020122011101101112121 |
4 | 1321200132301031211301 |
5 | 2043301130224000000 |
6 | 25431523414554241 |
7 | 1521156054246412 |
oct | 171403661154561 |
9 | 32506564341477 |
10 | 8349932640625 |
11 | 272a206325484 |
12 | b2a333668981 |
13 | 48751a539b64 |
14 | 20c1d31b9809 |
15 | e7303110b1a |
hex | 7981ec4d971 |
8349932640625 has 21 divisors (see below), whose sum is σ = 10437733719517. Its totient is φ = 6679657150000.
The previous prime is 8349932640613. The next prime is 8349932640653. The reversal of 8349932640625 is 5260462399438.
The square root of 8349932640625 is 2889625.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 10 ways, for example, as 1192937975089 + 7156994665536 = 1092217^2 + 2675256^2 .
It is not a de Polignac number, because 8349932640625 - 233 = 8341342706033 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 361191567 + ... + 361214683.
Almost surely, 28349932640625 is an apocalyptic number.
8349932640625 is the 2889625-th square number.
8349932640625 is the 1444813-rd centered octagonal number.
It is an amenable number.
8349932640625 is a deficient number, since it is larger than the sum of its proper divisors (2087801078892).
8349932640625 is an frugal number, since it uses more digits than its factorization.
8349932640625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46264 (or 23122 counting only the distinct ones).
The product of its (nonzero) digits is 67184640, while the sum is 61.
The spelling of 8349932640625 in words is "eight trillion, three hundred forty-nine billion, nine hundred thirty-two million, six hundred forty thousand, six hundred twenty-five".
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