Base | Representation |
---|---|
bin | 1000010010000111100… |
… | …0001111101010101011 |
3 | 111121022021220111121220 |
4 | 2010201320033222223 |
5 | 4312413343010011 |
6 | 145212304233123 |
7 | 13165245463326 |
oct | 2044170175253 |
9 | 447267814556 |
10 | 142302313131 |
11 | 55393a45070 |
12 | 236b490b7a3 |
13 | 1055a866c64 |
14 | 6c5d2dd7bd |
15 | 3a7cded506 |
hex | 2121e0faab |
142302313131 has 16 divisors (see below), whose sum is σ = 212579378688. Its totient is φ = 83912911200.
The previous prime is 142302313081. The next prime is 142302313133. The reversal of 142302313131 is 131313203241.
It is not a de Polignac number, because 142302313131 - 217 = 142302182059 is a prime.
It is a super-2 number, since 2×1423023131312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142302313133) 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, 58271635 + ... + 58274076.
It is an arithmetic number, because the mean of its divisors is an integer number (13286211168).
Almost surely, 2142302313131 is an apocalyptic number.
142302313131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
142302313131 is a deficient number, since it is larger than the sum of its proper divisors (70277065557).
142302313131 is a wasteful number, since it uses less digits than its factorization.
142302313131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116545762.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 142302313131 its reverse (131313203241), we get a palindrome (273615516372).
The spelling of 142302313131 in words is "one hundred forty-two billion, three hundred two million, three hundred thirteen thousand, one hundred thirty-one".
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