Base | Representation |
---|---|
bin | 100111111101111… |
… | …1110011101001101 |
3 | 10110110120002001022 |
4 | 1033323332131031 |
5 | 10221311404011 |
6 | 341024523525 |
7 | 45143231534 |
oct | 11773763515 |
9 | 3413502038 |
10 | 1341122381 |
11 | 629035105 |
12 | 3151805a5 |
13 | 184b05651 |
14 | ca18731b |
15 | 7cb148db |
hex | 4fefe74d |
1341122381 has 2 divisors, whose sum is σ = 1341122382. Its totient is φ = 1341122380.
The previous prime is 1341122357. The next prime is 1341122389. The reversal of 1341122381 is 1832211431.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1253868100 + 87254281 = 35410^2 + 9341^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1341122381 is a prime.
It is a super-2 number, since 2×13411223812 = 3597218481638218322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1341122381.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1341122389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670561190 + 670561191.
It is an arithmetic number, because the mean of its divisors is an integer number (670561191).
Almost surely, 21341122381 is an apocalyptic number.
It is an amenable number.
1341122381 is a deficient number, since it is larger than the sum of its proper divisors (1).
1341122381 is an equidigital number, since it uses as much as digits as its factorization.
1341122381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1152, while the sum is 26.
The square root of 1341122381 is about 36621.3377827736. The cubic root of 1341122381 is about 1102.7814954037.
The spelling of 1341122381 in words is "one billion, three hundred forty-one million, one hundred twenty-two thousand, three hundred eighty-one".
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