Base | Representation |
---|---|
bin | 10010101011110101… |
… | …10101011110011100 |
3 | 221220002220000002201 |
4 | 21111322311132130 |
5 | 131021020440330 |
6 | 4335224101244 |
7 | 503405450233 |
oct | 112572653634 |
9 | 27802800081 |
10 | 10031421340 |
11 | 4288526366 |
12 | 1b3b604824 |
13 | c3b36c395 |
14 | 6b23c1b1a |
15 | 3daa17eca |
hex | 255eb579c |
10031421340 has 48 divisors (see below), whose sum is σ = 21215688480. Its totient is φ = 3984124160.
The previous prime is 10031421331. The next prime is 10031421341. The reversal of 10031421340 is 4312413001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10031421341) 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, 2937474 + ... + 2940886.
It is an arithmetic number, because the mean of its divisors is an integer number (441993510).
Almost surely, 210031421340 is an apocalyptic number.
10031421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10031421340 is an abundant number, since it is smaller than the sum of its proper divisors (11184267140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10031421340 is a wasteful number, since it uses less digits than its factorization.
10031421340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4422 (or 4420 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 10031421340 its reverse (4312413001), we get a palindrome (14343834341).
The spelling of 10031421340 in words is "ten billion, thirty-one million, four hundred twenty-one thousand, three hundred forty".
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