Base | Representation |
---|---|
bin | 10010111000110011… |
… | …11010011011101101 |
3 | 222011200122010110010 |
4 | 21130121322123231 |
5 | 131231344401110 |
6 | 4354112203433 |
7 | 506166354603 |
oct | 113431723355 |
9 | 28150563403 |
10 | 10140231405 |
11 | 4333994a37 |
12 | 1b6bb39579 |
13 | c57a78c35 |
14 | 6c2a27873 |
15 | 3e535d020 |
hex | 25c67a6ed |
10140231405 has 16 divisors (see below), whose sum is σ = 16601682240. Its totient is φ = 5282352768.
The previous prime is 10140231401. The next prime is 10140231461. The reversal of 10140231405 is 50413204101.
It is not a de Polignac number, because 10140231405 - 22 = 10140231401 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10140231401) 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, 7860000 + ... + 7861289.
It is an arithmetic number, because the mean of its divisors is an integer number (1037605140).
Almost surely, 210140231405 is an apocalyptic number.
10140231405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10140231405 is a deficient number, since it is larger than the sum of its proper divisors (6461450835).
10140231405 is a wasteful number, since it uses less digits than its factorization.
10140231405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15721340.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 10140231405 its reverse (50413204101), we get a palindrome (60553435506).
The spelling of 10140231405 in words is "ten billion, one hundred forty million, two hundred thirty-one thousand, four hundred five".
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