Base | Representation |
---|---|
bin | 10010101110101011… |
… | …001011010001100110 |
3 | 1220220112022100022202 |
4 | 102232223023101212 |
5 | 312141232020032 |
6 | 13123312054502 |
7 | 1311232530155 |
oct | 225653132146 |
9 | 56815270282 |
10 | 20110423142 |
11 | 858a89a617 |
12 | 3a92b34432 |
13 | 1b8652a784 |
14 | d8ac2b59c |
15 | 7ca7cdd62 |
hex | 4aeacb466 |
20110423142 has 16 divisors (see below), whose sum is σ = 30238393200. Its totient is φ = 10030988160.
The previous prime is 20110423093. The next prime is 20110423153. The reversal of 20110423142 is 24132401102.
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, 1553834 + ... + 1566722.
It is an arithmetic number, because the mean of its divisors is an integer number (1889899575).
Almost surely, 220110423142 is an apocalyptic number.
20110423142 is a deficient number, since it is larger than the sum of its proper divisors (10127970058).
20110423142 is a wasteful number, since it uses less digits than its factorization.
20110423142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14711.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 20110423142 its reverse (24132401102), we get a palindrome (44242824244).
The spelling of 20110423142 in words is "twenty billion, one hundred ten million, four hundred twenty-three thousand, one hundred forty-two".
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