Base | Representation |
---|---|
bin | 101001111100000001… |
… | …1000101001100011101 |
3 | 22121110111110220121022 |
4 | 1103320003011030131 |
5 | 2433421042400242 |
6 | 105212353413525 |
7 | 6335536021616 |
oct | 1237003051435 |
9 | 277414426538 |
10 | 90060903197 |
11 | 35216039611 |
12 | 1555526a2a5 |
13 | 8653627385 |
14 | 4505032c0d |
15 | 25218ac0d2 |
hex | 14f80c531d |
90060903197 has 2 divisors, whose sum is σ = 90060903198. Its totient is φ = 90060903196.
The previous prime is 90060903193. The next prime is 90060903217. The reversal of 90060903197 is 79130906009.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 69690192121 + 20370711076 = 263989^2 + 142726^2 .
It is a cyclic number.
It is not a de Polignac number, because 90060903197 - 22 = 90060903193 is a prime.
It is a super-2 number, since 2×900609031972 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (90060903193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45030451598 + 45030451599.
It is an arithmetic number, because the mean of its divisors is an integer number (45030451599).
Almost surely, 290060903197 is an apocalyptic number.
It is an amenable number.
90060903197 is a deficient number, since it is larger than the sum of its proper divisors (1).
90060903197 is an equidigital number, since it uses as much as digits as its factorization.
90060903197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 91854, while the sum is 44.
The spelling of 90060903197 in words is "ninety billion, sixty million, nine hundred three thousand, one hundred ninety-seven".
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