Base | Representation |
---|---|
bin | 111101001101010111… |
… | …1000101111000011101 |
3 | 110120021122001122102120 |
4 | 1322122233011320131 |
5 | 4123144413230010 |
6 | 140215055413153 |
7 | 12332221350465 |
oct | 1723257057035 |
9 | 416248048376 |
10 | 131445055005 |
11 | 50822341370 |
12 | 215848241b9 |
13 | c51a399974 |
14 | 650d388ba5 |
15 | 3644b57e70 |
hex | 1e9abc5e1d |
131445055005 has 16 divisors (see below), whose sum is σ = 229431369024. Its totient is φ = 63730935680.
The previous prime is 131445054941. The next prime is 131445055019. The reversal of 131445055005 is 500550544131.
It is not a de Polignac number, because 131445055005 - 26 = 131445054941 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398318184 + ... + 398318513.
It is an arithmetic number, because the mean of its divisors is an integer number (14339460564).
Almost surely, 2131445055005 is an apocalyptic number.
131445055005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131445055005 is a deficient number, since it is larger than the sum of its proper divisors (97986314019).
131445055005 is a wasteful number, since it uses less digits than its factorization.
131445055005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 796636716.
The product of its (nonzero) digits is 30000, while the sum is 33.
Adding to 131445055005 its reverse (500550544131), we get a palindrome (631995599136).
The spelling of 131445055005 in words is "one hundred thirty-one billion, four hundred forty-five million, fifty-five thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •