Base | Representation |
---|---|
bin | 110000101000100111… |
… | …1001010000110100110 |
3 | 100222120202022121001210 |
4 | 1201101033022012212 |
5 | 3202344142040032 |
6 | 115551405332250 |
7 | 10355113366101 |
oct | 1412117120646 |
9 | 328522277053 |
10 | 104442143142 |
11 | 40325959a87 |
12 | 182a9567086 |
13 | 9b05c098cc |
14 | 50aadc9738 |
15 | 2ab41ea2cc |
hex | 18513ca1a6 |
104442143142 has 16 divisors (see below), whose sum is σ = 211400965440. Its totient is φ = 34394601192.
The previous prime is 104442143131. The next prime is 104442143149. The reversal of 104442143142 is 241341244401.
It is a happy number.
It is a super-2 number, since 2×1044421431422 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104442143149) 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, 104861092 + ... + 104862087.
It is an arithmetic number, because the mean of its divisors is an integer number (13212560340).
Almost surely, 2104442143142 is an apocalyptic number.
104442143142 is an abundant number, since it is smaller than the sum of its proper divisors (106958822298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104442143142 is a wasteful number, since it uses less digits than its factorization.
104442143142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209723267.
The product of its (nonzero) digits is 12288, while the sum is 30.
Adding to 104442143142 its reverse (241341244401), we get a palindrome (345783387543).
The spelling of 104442143142 in words is "one hundred four billion, four hundred forty-two million, one hundred forty-three thousand, one hundred forty-two".
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