Base | Representation |
---|---|
bin | 111101001100110000… |
… | …0011010110110101010 |
3 | 110120020012020212100011 |
4 | 1322121200122312222 |
5 | 4123124123302110 |
6 | 140213041402134 |
7 | 12331551143650 |
oct | 1723140326652 |
9 | 416205225304 |
10 | 131424431530 |
11 | 50811735677 |
12 | 2157993934a |
13 | c516028822 |
14 | 650a73add0 |
15 | 3642e3248a |
hex | 1e9981adaa |
131424431530 has 32 divisors (see below), whose sum is σ = 272080884096. Its totient is φ = 44772796224.
The previous prime is 131424431513. The next prime is 131424431549. The reversal of 131424431530 is 35134424131.
It is a junction number, because it is equal to n+sod(n) for n = 131424431492 and 131424431501.
It is an unprimeable number.
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, 5968284 + ... + 5990263.
It is an arithmetic number, because the mean of its divisors is an integer number (8502527628).
Almost surely, 2131424431530 is an apocalyptic number.
131424431530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131424431530 is an abundant number, since it is smaller than the sum of its proper divisors (140656452566).
131424431530 is a wasteful number, since it uses less digits than its factorization.
131424431530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11958718.
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 131424431530 its reverse (35134424131), we get a palindrome (166558855661).
The spelling of 131424431530 in words is "one hundred thirty-one billion, four hundred twenty-four million, four hundred thirty-one thousand, five hundred thirty".
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