Base | Representation |
---|---|
bin | 111101000000110000… |
… | …1010110101010100010 |
3 | 110112012011001102001202 |
4 | 1322001201112222202 |
5 | 4121313114221310 |
6 | 140105104401202 |
7 | 12315563552132 |
oct | 1720141265242 |
9 | 415164042052 |
10 | 131022023330 |
11 | 50625575410 |
12 | 21487016202 |
13 | c480853073 |
14 | 64ad10aac2 |
15 | 361c9453a5 |
hex | 1e81856aa2 |
131022023330 has 64 divisors (see below), whose sum is σ = 268580302848. Its totient is φ = 45553421760.
The previous prime is 131022023323. The next prime is 131022023333. The reversal of 131022023330 is 33320220131.
It is not an unprimeable number, because it can be changed into a prime (131022023333) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6727667 + ... + 6747113.
It is an arithmetic number, because the mean of its divisors is an integer number (4196567232).
Almost surely, 2131022023330 is an apocalyptic number.
131022023330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131022023330 is an abundant number, since it is smaller than the sum of its proper divisors (137558279518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131022023330 is a wasteful number, since it uses less digits than its factorization.
131022023330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22151.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 131022023330 its reverse (33320220131), we get a palindrome (164342243461).
The spelling of 131022023330 in words is "one hundred thirty-one billion, twenty-two million, twenty-three thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •