Base | Representation |
---|---|
bin | 111111110010001… |
… | …010100100110001 |
3 | 2202120121110222101 |
4 | 333302022210301 |
5 | 4142422140441 |
6 | 254104140401 |
7 | 35342554105 |
oct | 7762124461 |
9 | 2676543871 |
10 | 1070115121 |
11 | 4aa063369 |
12 | 25a467701 |
13 | 14091921a |
14 | a219d905 |
15 | 63e31231 |
hex | 3fc8a931 |
1070115121 has 2 divisors, whose sum is σ = 1070115122. Its totient is φ = 1070115120.
The previous prime is 1070115107. The next prime is 1070115139. The reversal of 1070115121 is 1215110701.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 741200625 + 328914496 = 27225^2 + 18136^2 .
It is a cyclic number.
It is not a de Polignac number, because 1070115121 - 29 = 1070114609 is a prime.
It is a super-2 number, since 2×10701151212 = 2290292744385689282, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1070115161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535057560 + 535057561.
It is an arithmetic number, because the mean of its divisors is an integer number (535057561).
Almost surely, 21070115121 is an apocalyptic number.
It is an amenable number.
1070115121 is a deficient number, since it is larger than the sum of its proper divisors (1).
1070115121 is an equidigital number, since it uses as much as digits as its factorization.
1070115121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 70, while the sum is 19.
The square root of 1070115121 is about 32712.6140960945. The cubic root of 1070115121 is about 1022.8458017031.
Adding to 1070115121 its reverse (1215110701), we get a palindrome (2285225822).
The spelling of 1070115121 in words is "one billion, seventy million, one hundred fifteen thousand, one hundred twenty-one".
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