Base | Representation |
---|---|
bin | 111000111111001011000… |
… | …1111000101101000010001 |
3 | 1000201202101200111002100111 |
4 | 1301332112033011220101 |
5 | 2011310414423340400 |
6 | 24354030055521321 |
7 | 1435601232564511 |
oct | 161762617055021 |
9 | 30652350432314 |
10 | 7832245918225 |
11 | 254a7006a8733 |
12 | a65b37389241 |
13 | 44a768057c91 |
14 | 1d1122dd7841 |
15 | d8b048a73ba |
hex | 71f963c5a11 |
7832245918225 has 27 divisors (see below), whose sum is σ = 9923852775697. Its totient is φ = 6131966965280.
The previous prime is 7832245918177. The next prime is 7832245918249. The reversal of 7832245918225 is 5228195422387.
The square root of 7832245918225 is 2798615.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 721533023761 + 7110712894464 = 849431^2 + 2666592^2 .
It is not a de Polignac number, because 7832245918225 - 211 = 7832245916177 is a prime.
It is a super-2 number, since 2×78322459182252 (a number of 27 digits) contains 22 as substring.
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 7832245918225.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 657668571 + ... + 657680479.
Almost surely, 27832245918225 is an apocalyptic number.
7832245918225 is the 2798615-th square number.
7832245918225 is the 1399308-th centered octagonal number.
It is an amenable number.
7832245918225 is a deficient number, since it is larger than the sum of its proper divisors (2091606857472).
7832245918225 is an frugal number, since it uses more digits than its factorization.
7832245918225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23922 (or 11961 counting only the distinct ones).
The product of its digits is 19353600, while the sum is 58.
The spelling of 7832245918225 in words is "seven trillion, eight hundred thirty-two billion, two hundred forty-five million, nine hundred eighteen thousand, two hundred twenty-five".
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