Base | Representation |
---|---|
bin | 10011110111001111… |
… | …11111100000010101 |
3 | 1000112012020010200121 |
4 | 21323213333200111 |
5 | 133314442002033 |
6 | 4522102511541 |
7 | 525156432226 |
oct | 117347774025 |
9 | 30465203617 |
10 | 10664015893 |
11 | 4582616a83 |
12 | 20974355b1 |
13 | 100c43ab9b |
14 | 73241124d |
15 | 42632362d |
hex | 27b9ff815 |
10664015893 has 2 divisors, whose sum is σ = 10664015894. Its totient is φ = 10664015892.
The previous prime is 10664015863. The next prime is 10664015927. The reversal of 10664015893 is 39851046601.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6809220324 + 3854795569 = 82518^2 + 62087^2 .
It is a cyclic number.
It is not a de Polignac number, because 10664015893 - 217 = 10663884821 is a prime.
It is a super-2 number, since 2×106640158932 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10664015863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332007946 + 5332007947.
It is an arithmetic number, because the mean of its divisors is an integer number (5332007947).
Almost surely, 210664015893 is an apocalyptic number.
It is an amenable number.
10664015893 is a deficient number, since it is larger than the sum of its proper divisors (1).
10664015893 is an equidigital number, since it uses as much as digits as its factorization.
10664015893 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 155520, while the sum is 43.
The spelling of 10664015893 in words is "ten billion, six hundred sixty-four million, fifteen thousand, eight hundred ninety-three".
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