Base | Representation |
---|---|
bin | 11110111110001001111… |
… | …10011001111010000101 |
3 | 10202201210020211012110102 |
4 | 33133010332121322011 |
5 | 114413400333143433 |
6 | 2132511420333445 |
7 | 136611626325344 |
oct | 17370476317205 |
9 | 3681706735412 |
10 | 1064161615493 |
11 | 3803435422a9 |
12 | 1522a96a4285 |
13 | 79471c822b2 |
14 | 397118bdb5b |
15 | 1ca345154e8 |
hex | f7c4f99e85 |
1064161615493 has 2 divisors, whose sum is σ = 1064161615494. Its totient is φ = 1064161615492.
The previous prime is 1064161615469. The next prime is 1064161615523. The reversal of 1064161615493 is 3945161614601.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 641612214049 + 422549401444 = 801007^2 + 650038^2 .
It is a cyclic number.
It is not a de Polignac number, because 1064161615493 - 210 = 1064161614469 is a prime.
It is a super-2 number, since 2×10641616154932 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1064161618493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532080807746 + 532080807747.
It is an arithmetic number, because the mean of its divisors is an integer number (532080807747).
Almost surely, 21064161615493 is an apocalyptic number.
It is an amenable number.
1064161615493 is a deficient number, since it is larger than the sum of its proper divisors (1).
1064161615493 is an equidigital number, since it uses as much as digits as its factorization.
1064161615493 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 466560, while the sum is 47.
The spelling of 1064161615493 in words is "one trillion, sixty-four billion, one hundred sixty-one million, six hundred fifteen thousand, four hundred ninety-three".
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