Base | Representation |
---|---|
bin | 111101000110000100… |
… | …1100000110111010110 |
3 | 110112122120112222021100 |
4 | 1322030021200313112 |
5 | 4122144240314110 |
6 | 140134514130530 |
7 | 12323160226260 |
oct | 1721411406726 |
9 | 415576488240 |
10 | 131200323030 |
11 | 50707186637 |
12 | 21516880a46 |
13 | c4ab78004a |
14 | 64c8a80b30 |
15 | 362d414bc0 |
hex | 1e8c260dd6 |
131200323030 has 96 divisors (see below), whose sum is σ = 403295630400. Its totient is φ = 28954550016.
The previous prime is 131200323019. The next prime is 131200323031. The reversal of 131200323030 is 30323002131.
131200323030 is a `hidden beast` number, since 1 + 312 + 0 + 0 + 323 + 0 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 131200322994 and 131200323012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131200323031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3572325 + ... + 3608864.
It is an arithmetic number, because the mean of its divisors is an integer number (4200996150).
Almost surely, 2131200323030 is an apocalyptic number.
131200323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131200323030 is an abundant number, since it is smaller than the sum of its proper divisors (272095307370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131200323030 is a wasteful number, since it uses less digits than its factorization.
131200323030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7181238 (or 7181235 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 131200323030 its reverse (30323002131), we get a palindrome (161523325161).
The spelling of 131200323030 in words is "one hundred thirty-one billion, two hundred million, three hundred twenty-three thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •