Base | Representation |
---|---|
bin | 10011000000101101… |
… | …100101011000000111 |
3 | 1221200121202002102020 |
4 | 103000231211120013 |
5 | 313301214403411 |
6 | 13213322214223 |
7 | 1321566004326 |
oct | 230055453007 |
9 | 57617662366 |
10 | 20413044231 |
11 | 87256a4298 |
12 | 3b58354373 |
13 | 1c041355c8 |
14 | db90c40bd |
15 | 7e7159606 |
hex | 4c0b65607 |
20413044231 has 8 divisors (see below), whose sum is σ = 28649886720. Its totient is φ = 12892448952.
The previous prime is 20413044229. The next prime is 20413044241. The reversal of 20413044231 is 13244031402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20413044231 - 21 = 20413044229 is a prime.
It is a super-2 number, since 2×204130442312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20413044241) 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, 179061735 + ... + 179061848.
It is an arithmetic number, because the mean of its divisors is an integer number (3581235840).
Almost surely, 220413044231 is an apocalyptic number.
20413044231 is a deficient number, since it is larger than the sum of its proper divisors (8236842489).
20413044231 is a wasteful number, since it uses less digits than its factorization.
20413044231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358123605.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 20413044231 its reverse (13244031402), we get a palindrome (33657075633).
The spelling of 20413044231 in words is "twenty billion, four hundred thirteen million, forty-four thousand, two hundred thirty-one".
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