Base | Representation |
---|---|
bin | 111001011000100010… |
… | …1101001001111000111 |
3 | 102210002010020021102020 |
4 | 1302301011221033013 |
5 | 4004333403144033 |
6 | 132340001214223 |
7 | 11621520555240 |
oct | 1626105511707 |
9 | 383063207366 |
10 | 123230131143 |
11 | 48297218499 |
12 | 1ba71631373 |
13 | b80b475782 |
14 | 5d70335cc7 |
15 | 33138566b3 |
hex | 1cb11693c7 |
123230131143 has 16 divisors (see below), whose sum is σ = 194254394880. Its totient is φ = 67989037536.
The previous prime is 123230131103. The next prime is 123230131153. The reversal of 123230131143 is 341131032321.
It is not a de Polignac number, because 123230131143 - 210 = 123230130119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123230131103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101173555 + ... + 101174772.
It is an arithmetic number, because the mean of its divisors is an integer number (12140899680).
Almost surely, 2123230131143 is an apocalyptic number.
123230131143 is a deficient number, since it is larger than the sum of its proper divisors (71024263737).
123230131143 is a wasteful number, since it uses less digits than its factorization.
123230131143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202348366.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 123230131143 its reverse (341131032321), we get a palindrome (464361163464).
The spelling of 123230131143 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-one thousand, one hundred forty-three".
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