Base | Representation |
---|---|
bin | 1010000000011001… |
… | …0011100111011001 |
3 | 20221012012022222020 |
4 | 2200012103213121 |
5 | 21000104222034 |
6 | 1122310245053 |
7 | 123363455304 |
oct | 24006234731 |
9 | 6835168866 |
10 | 2686007769 |
11 | 11591aa435 |
12 | 62b656789 |
13 | 33a627a13 |
14 | 1b6a2db3b |
15 | 10ac1e249 |
hex | a01939d9 |
2686007769 has 16 divisors (see below), whose sum is σ = 3793226112. Its totient is φ = 1684798208.
The previous prime is 2686007759. The next prime is 2686007773. The reversal of 2686007769 is 9677006862.
It is a cyclic number.
It is not a de Polignac number, because 2686007769 - 27 = 2686007641 is a prime.
It is a super-2 number, since 2×26860077692 = 14429275470256714722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (2686007749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204412 + ... + 217154.
It is an arithmetic number, because the mean of its divisors is an integer number (237076632).
Almost surely, 22686007769 is an apocalyptic number.
It is an amenable number.
2686007769 is a deficient number, since it is larger than the sum of its proper divisors (1107218343).
2686007769 is a wasteful number, since it uses less digits than its factorization.
2686007769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16896.
The product of its (nonzero) digits is 1524096, while the sum is 51.
The square root of 2686007769 is about 51826.7090311550. The cubic root of 2686007769 is about 1390.0670686890.
The spelling of 2686007769 in words is "two billion, six hundred eighty-six million, seven thousand, seven hundred sixty-nine".
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