Base | Representation |
---|---|
bin | 10110010111101101… |
… | …01000011110011000 |
3 | 1010222222222210021222 |
4 | 23023312220132120 |
5 | 144044031443000 |
6 | 5303424351212 |
7 | 603422402432 |
oct | 131366503630 |
9 | 33888883258 |
10 | 12010031000 |
11 | 5103393060 |
12 | 23b2175508 |
13 | 1195267526 |
14 | 81d0ad652 |
15 | 4a45a2a85 |
hex | 2cbda8798 |
12010031000 has 128 divisors (see below), whose sum is σ = 31716360000. Its totient is φ = 4216576000.
The previous prime is 12010030999. The next prime is 12010031009. The reversal of 12010031000 is 13001021.
It is a super-2 number, since 2×120100310002 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12010031009) 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, 300176 + ... + 337824.
Almost surely, 212010031000 is an apocalyptic number.
12010031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12010031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15858180000).
12010031000 is an abundant number, since it is smaller than the sum of its proper divisors (19706329000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12010031000 is a wasteful number, since it uses less digits than its factorization.
12010031000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37710 (or 37696 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 8.
Adding to 12010031000 its reverse (13001021), we get a palindrome (12023032021).
The spelling of 12010031000 in words is "twelve billion, ten million, thirty-one thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •