Base | Representation |
---|---|
bin | 100000110110101… |
… | …1110111110010101 |
3 | 2211211102212122121 |
4 | 1001231132332111 |
5 | 4224211124024 |
6 | 301221055541 |
7 | 36214414516 |
oct | 10155367625 |
9 | 2754385577 |
10 | 1102442389 |
11 | 516333314 |
12 | 2692575b1 |
13 | 147527599 |
14 | a65b6a0d |
15 | 66bb98e4 |
hex | 41b5ef95 |
1102442389 has 2 divisors, whose sum is σ = 1102442390. Its totient is φ = 1102442388.
The previous prime is 1102442381. The next prime is 1102442413. The reversal of 1102442389 is 9832442011.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1090122289 + 12320100 = 33017^2 + 3510^2 .
It is a cyclic number.
It is not a de Polignac number, because 1102442389 - 23 = 1102442381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1102442381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551221194 + 551221195.
It is an arithmetic number, because the mean of its divisors is an integer number (551221195).
Almost surely, 21102442389 is an apocalyptic number.
It is an amenable number.
1102442389 is a deficient number, since it is larger than the sum of its proper divisors (1).
1102442389 is an equidigital number, since it uses as much as digits as its factorization.
1102442389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 1102442389 is about 33203.0478872046. The cubic root of 1102442389 is about 1033.0435596655.
The spelling of 1102442389 in words is "one billion, one hundred two million, four hundred forty-two thousand, three hundred eighty-nine".
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