Base | Representation |
---|---|
bin | 10111001110110011… |
… | …11001101000000000 |
3 | 1012012012202111211001 |
4 | 23213121321220000 |
5 | 201020344323440 |
6 | 5421335501344 |
7 | 621034320214 |
oct | 134731715000 |
9 | 35165674731 |
10 | 12472261120 |
11 | 53202a2420 |
12 | 2500b27854 |
13 | 1239c56b87 |
14 | 864632944 |
15 | 4cee59b9a |
hex | 2e7679a00 |
12472261120 has 160 divisors (see below), whose sum is σ = 32816399616. Its totient is φ = 4508467200.
The previous prime is 12472261111. The next prime is 12472261141. The reversal of 12472261120 is 2116227421.
It is a tau number, because it is divible by the number of its divisors (160).
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, 5095737 + ... + 5098183.
Almost surely, 212472261120 is an apocalyptic number.
12472261120 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 12472261120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16408199808).
12472261120 is an abundant number, since it is smaller than the sum of its proper divisors (20344138496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12472261120 is a wasteful number, since it uses less digits than its factorization.
12472261120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2662 (or 2646 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 28.
Adding to 12472261120 its reverse (2116227421), we get a palindrome (14588488541).
The spelling of 12472261120 in words is "twelve billion, four hundred seventy-two million, two hundred sixty-one thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.104 sec. • engine limits •