Base | Representation |
---|---|
bin | 1000001010001011001011… |
… | …1011001011001111010001 |
3 | 1011202121102222221000222101 |
4 | 2002202302323023033101 |
5 | 2133434342223233100 |
6 | 31025101022440401 |
7 | 1614061051130611 |
oct | 202426273131721 |
9 | 34677388830871 |
10 | 8970893571025 |
11 | 2949597606251 |
12 | 100a752133101 |
13 | 500c4a97cc59 |
14 | 23029d202a41 |
15 | 10854825e86a |
hex | 828b2ecb3d1 |
8970893571025 has 81 divisors (see below), whose sum is σ = 11944537173777. Its totient is φ = 6682288300800.
The previous prime is 8970893570941. The next prime is 8970893571053. The reversal of 8970893571025 is 5201753980798.
The square root of 8970893571025 is 2995145.
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 209838202561 + 8761055368464 = 458081^2 + 2959908^2 .
It is not a de Polignac number, because 8970893571025 - 213 = 8970893562833 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 42516083170 + ... + 42516083380.
Almost surely, 28970893571025 is an apocalyptic number.
8970893571025 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
8970893571025 is the 2995145-th square number.
8970893571025 is the 1497573-rd centered octagonal number.
It is an amenable number.
8970893571025 is a deficient number, since it is larger than the sum of its proper divisors (2973643602752).
8970893571025 is an equidigital number, since it uses as much as digits as its factorization.
8970893571025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 800 (or 400 counting only the distinct ones).
The product of its (nonzero) digits is 38102400, while the sum is 64.
Multiplying 8970893571025 by its sum of digits (64), we get a square (574137188545600 = 239611602).
The spelling of 8970893571025 in words is "eight trillion, nine hundred seventy billion, eight hundred ninety-three million, five hundred seventy-one thousand, twenty-five".
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