Base | Representation |
---|---|
bin | 1111101001001… |
… | …10100111000110 |
3 | 100010221011220221 |
4 | 13310212213012 |
5 | 232043331100 |
6 | 21004414554 |
7 | 3152303122 |
oct | 764464706 |
9 | 303834827 |
10 | 131230150 |
11 | 68092177 |
12 | 37b4745a |
13 | 2125969c |
14 | 13600582 |
15 | b7c301a |
hex | 7d269c6 |
131230150 has 48 divisors (see below), whose sum is σ = 259536960. Its totient is φ = 49226400.
The previous prime is 131230147. The next prime is 131230189. The reversal of 131230150 is 51032131.
131230150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101005 + ... + 102295.
It is an arithmetic number, because the mean of its divisors is an integer number (5407020).
Almost surely, 2131230150 is an apocalyptic number.
131230150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131230150 is a deficient number, since it is larger than the sum of its proper divisors (128306810).
131230150 is a wasteful number, since it uses less digits than its factorization.
131230150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1429 (or 1424 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 131230150 is about 11455.5728796075. The cubic root of 131230150 is about 508.1725574743.
Adding to 131230150 its reverse (51032131), we get a palindrome (182262281).
The spelling of 131230150 in words is "one hundred thirty-one million, two hundred thirty thousand, one hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •