Base | Representation |
---|---|
bin | 11000010101010110… |
… | …000001110110100101 |
3 | 2111102220020211211120 |
4 | 120111112001312211 |
5 | 412002220300234 |
6 | 20000351324153 |
7 | 1613321325525 |
oct | 302526016645 |
9 | 74386224746 |
10 | 26127900069 |
11 | 10098578047 |
12 | 5092220659 |
13 | 26051053cb |
14 | 139c0a9685 |
15 | a2dc1a049 |
hex | 615581da5 |
26127900069 has 16 divisors (see below), whose sum is σ = 35684250624. Its totient is φ = 16995913200.
The previous prime is 26127900067. The next prime is 26127900107. The reversal of 26127900069 is 96000972162.
It is not a de Polignac number, because 26127900069 - 21 = 26127900067 is a prime.
It is a super-2 number, since 2×261279000692 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 26127900069.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26127900067) 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, 20964 + ... + 229554.
It is an arithmetic number, because the mean of its divisors is an integer number (2230265664).
Almost surely, 226127900069 is an apocalyptic number.
It is an amenable number.
26127900069 is a deficient number, since it is larger than the sum of its proper divisors (9556350555).
26127900069 is a wasteful number, since it uses less digits than its factorization.
26127900069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209608.
The product of its (nonzero) digits is 81648, while the sum is 42.
The spelling of 26127900069 in words is "twenty-six billion, one hundred twenty-seven million, nine hundred thousand, sixty-nine".
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