Base | Representation |
---|---|
bin | 10010111100011100… |
… | …000001000100110111 |
3 | 1221111121210122022011 |
4 | 102330130001010313 |
5 | 313124340031411 |
6 | 13202241145051 |
7 | 1320035311525 |
oct | 227434010467 |
9 | 57447718264 |
10 | 20341330231 |
11 | 8699172522 |
12 | 3b3832b187 |
13 | 1bc23168a1 |
14 | dad777315 |
15 | 7e0be0c21 |
hex | 4bc701137 |
20341330231 has 16 divisors (see below), whose sum is σ = 20966284800. Its totient is φ = 19727540928.
The previous prime is 20341330223. The next prime is 20341330253. The reversal of 20341330231 is 13203314302.
It is a cyclic number.
It is not a de Polignac number, because 20341330231 - 23 = 20341330223 is a prime.
It is a super-2 number, since 2×203413302312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20341330931) 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, 1309810 + ... + 1325248.
It is an arithmetic number, because the mean of its divisors is an integer number (1310392800).
Almost surely, 220341330231 is an apocalyptic number.
20341330231 is a deficient number, since it is larger than the sum of its proper divisors (624954569).
20341330231 is a wasteful number, since it uses less digits than its factorization.
20341330231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15798.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 20341330231 its reverse (13203314302), we get a palindrome (33544644533).
The spelling of 20341330231 in words is "twenty billion, three hundred forty-one million, three hundred thirty thousand, two hundred thirty-one".
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