Base | Representation |
---|---|
bin | 11101110100010111111001… |
… | …011100010111100101110010 |
3 | 122012100002111211110002002202 |
4 | 131310113321130113211302 |
5 | 114142114134340142320 |
6 | 1142525555141343202 |
7 | 36423504312403565 |
oct | 3564277134274562 |
9 | 565302454402082 |
10 | 131142421412210 |
11 | 3887120901407a |
12 | 12860343707b02 |
13 | 58238a5c877b0 |
14 | 24554816684dc |
15 | 10264ae3d6b75 |
hex | 7745f9717972 |
131142421412210 has 48 divisors (see below), whose sum is σ = 263282835311496. Its totient is φ = 46752099265536.
The previous prime is 131142421412201. The next prime is 131142421412213. The reversal of 131142421412210 is 12214124241131.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 17838467520721 + 113303953891489 = 4223561^2 + 10644433^2 .
It is a Harshad number since it is a multiple of its sum of digits (29).
It is not an unprimeable number, because it can be changed into a prime (131142421412213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599645639 + ... + 599864298.
Almost surely, 2131142421412210 is an apocalyptic number.
131142421412210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131142421412210 is an abundant number, since it is smaller than the sum of its proper divisors (132140413899286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131142421412210 is a wasteful number, since it uses less digits than its factorization.
131142421412210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1199510015 (or 1199509986 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 29.
Adding to 131142421412210 its reverse (12214124241131), we get a palindrome (143356545653341).
The spelling of 131142421412210 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-one million, four hundred twelve thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •