Base | Representation |
---|---|
bin | 1010000011000001… |
… | …1000001011001001 |
3 | 20221221221122112100 |
4 | 2200300120023021 |
5 | 21010420131424 |
6 | 1123342504013 |
7 | 123556301100 |
oct | 24060301311 |
9 | 6857848470 |
10 | 2697036489 |
11 | 1164452484 |
12 | 633295009 |
13 | 33c9b98a4 |
14 | 1b82a1037 |
15 | 10bb9bdc9 |
hex | a0c182c9 |
2697036489 has 27 divisors (see below), whose sum is σ = 4533588423. Its totient is φ = 1540540512.
The previous prime is 2697036469. The next prime is 2697036499. The reversal of 2697036489 is 9846307962.
It is a happy number.
The square root of 2697036489 is 51933.
It is a perfect power (a square), and thus also a powerful number.
2697036489 is a `hidden beast` number, since 2 + 69 + 70 + 36 + 489 = 666.
It can be written as a sum of positive squares in only one way, i.e., 2010177225 + 686859264 = 44835^2 + 26208^2 .
It is not a de Polignac number, because 2697036489 - 219 = 2696512201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2697036409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1089357 + ... + 1091829.
Almost surely, 22697036489 is an apocalyptic number.
2697036489 is the 51933-rd square number.
2697036489 is the 25967-th centered octagonal number.
It is an amenable number.
2697036489 is a deficient number, since it is larger than the sum of its proper divisors (1836551934).
2697036489 is an frugal number, since it uses more digits than its factorization.
2697036489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4966 (or 2483 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The cubic root of 2697036489 is about 1391.9670043333.
The spelling of 2697036489 in words is "two billion, six hundred ninety-seven million, thirty-six thousand, four hundred eighty-nine".
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