Base | Representation |
---|---|
bin | 10010101000110100… |
… | …101100000010011110 |
3 | 1220122200120210200020 |
4 | 102220310230002132 |
5 | 311441114101332 |
6 | 13105444013010 |
7 | 1305631226634 |
oct | 225064540236 |
9 | 56580523606 |
10 | 20012253342 |
11 | 853a439154 |
12 | 3a66091166 |
13 | 1b6c0a8033 |
14 | d7bb95354 |
15 | 7c1d8b82c |
hex | 4a8d2c09e |
20012253342 has 16 divisors (see below), whose sum is σ = 40248109440. Its totient is φ = 6633483992.
The previous prime is 20012253323. The next prime is 20012253389. The reversal of 20012253342 is 24335221002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9315618 + ... + 9317765.
It is an arithmetic number, because the mean of its divisors is an integer number (2515506840).
Almost surely, 220012253342 is an apocalyptic number.
20012253342 is an abundant number, since it is smaller than the sum of its proper divisors (20235856098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20012253342 is a wasteful number, since it uses less digits than its factorization.
20012253342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18633567.
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 20012253342 its reverse (24335221002), we get a palindrome (44347474344).
The spelling of 20012253342 in words is "twenty billion, twelve million, two hundred fifty-three thousand, three hundred forty-two".
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