Base | Representation |
---|---|
bin | 111001110100010… |
… | …011001010010001 |
3 | 2111121020200022202 |
4 | 321310103022101 |
5 | 3441310330111 |
6 | 240130412545 |
7 | 33015650141 |
oct | 7164231221 |
9 | 2447220282 |
10 | 970011281 |
11 | 458600918 |
12 | 230a31155 |
13 | 125c6a395 |
14 | 92b82921 |
15 | 5a25ab3b |
hex | 39d13291 |
970011281 has 2 divisors, whose sum is σ = 970011282. Its totient is φ = 970011280.
The previous prime is 970011241. The next prime is 970011283. The reversal of 970011281 is 182110079.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 970011025 + 256 = 31145^2 + 16^2 .
It is a cyclic number.
It is not a de Polignac number, because 970011281 - 222 = 965816977 is a prime.
It is a super-2 number, since 2×9700112812 = 1881843770534521922, which contains 22 as substring.
Together with 970011283, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (970011283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485005640 + 485005641.
It is an arithmetic number, because the mean of its divisors is an integer number (485005641).
Almost surely, 2970011281 is an apocalyptic number.
It is an amenable number.
970011281 is a deficient number, since it is larger than the sum of its proper divisors (1).
970011281 is an equidigital number, since it uses as much as digits as its factorization.
970011281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 29.
The square root of 970011281 is about 31145.0041098087. The cubic root of 970011281 is about 989.9021367060.
The spelling of 970011281 in words is "nine hundred seventy million, eleven thousand, two hundred eighty-one".
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