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970011281 is a prime number
BaseRepresentation
bin111001110100010…
…011001010010001
32111121020200022202
4321310103022101
53441310330111
6240130412545
733015650141
oct7164231221
92447220282
10970011281
11458600918
12230a31155
13125c6a395
1492b82921
155a25ab3b
hex39d13291

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".