Base | Representation |
---|---|
bin | 100110011001000111101… |
… | …100101011000100011110 |
3 | 100100012221120000110021002 |
4 | 212121013230223010132 |
5 | 321211231040002310 |
6 | 5340005115510302 |
7 | 361416564614612 |
oct | 46310754530436 |
9 | 10305846013232 |
10 | 2638312812830 |
11 | 9279a1890762 |
12 | 3673a5758392 |
13 | 161a3a862816 |
14 | 919a31d3342 |
15 | 4896665eda5 |
hex | 26647b2b11e |
2638312812830 has 16 divisors (see below), whose sum is σ = 4902155420544. Its totient is φ = 1021282379040.
The previous prime is 2638312812829. The next prime is 2638312812833. The reversal of 2638312812830 is 382182138362.
2638312812830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×26383128128302 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2638312812833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4255342937 + ... + 4255343556.
It is an arithmetic number, because the mean of its divisors is an integer number (306384713784).
Almost surely, 22638312812830 is an apocalyptic number.
2638312812830 is a deficient number, since it is larger than the sum of its proper divisors (2263842607714).
2638312812830 is a wasteful number, since it uses less digits than its factorization.
2638312812830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8510686531.
The product of its (nonzero) digits is 663552, while the sum is 47.
The spelling of 2638312812830 in words is "two trillion, six hundred thirty-eight billion, three hundred twelve million, eight hundred twelve thousand, eight hundred thirty".
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