Base | Representation |
---|---|
bin | 1000010001000010011… |
… | …0000011100011000111 |
3 | 111120120002020221121120 |
4 | 2010100212003203013 |
5 | 4311320124112411 |
6 | 145123425045023 |
7 | 13155124623060 |
oct | 2042046034307 |
9 | 446502227546 |
10 | 142012332231 |
11 | 55255294130 |
12 | 23633786773 |
13 | 10512766623 |
14 | 6c329b7567 |
15 | 3a6271d106 |
hex | 21109838c7 |
142012332231 has 16 divisors (see below), whose sum is σ = 236072448768. Its totient is φ = 73772640000.
The previous prime is 142012332227. The next prime is 142012332271. The reversal of 142012332231 is 132233210241.
It is not a de Polignac number, because 142012332231 - 22 = 142012332227 is a prime.
It is a super-2 number, since 2×1420123322312 (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 (142012332271) 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, 307385770 + ... + 307386231.
It is an arithmetic number, because the mean of its divisors is an integer number (14754528048).
Almost surely, 2142012332231 is an apocalyptic number.
142012332231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
142012332231 is a deficient number, since it is larger than the sum of its proper divisors (94060116537).
142012332231 is a wasteful number, since it uses less digits than its factorization.
142012332231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 614772022.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 142012332231 its reverse (132233210241), we get a palindrome (274245542472).
It can be divided in two parts, 14201 and 2332231, that added together give a palindrome (2346432).
The spelling of 142012332231 in words is "one hundred forty-two billion, twelve million, three hundred thirty-two thousand, two hundred thirty-one".
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