Base | Representation |
---|---|
bin | 111011111110010… |
… | …0000010111001101 |
3 | 12012020120222002211 |
4 | 1313330200113031 |
5 | 13110130144101 |
6 | 531403350421 |
7 | 100603456222 |
oct | 16774402715 |
9 | 5166528084 |
10 | 2012349901 |
11 | 942a122a1 |
12 | 481b22411 |
13 | 260bac6b3 |
14 | 151391949 |
15 | bba01c51 |
hex | 77f205cd |
2012349901 has 4 divisors (see below), whose sum is σ = 2039916412. Its totient is φ = 1984783392.
The previous prime is 2012349893. The next prime is 2012349931. The reversal of 2012349901 is 1099432102.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1207493001 + 804856900 = 34749^2 + 28370^2 .
It is a cyclic number.
It is not a de Polignac number, because 2012349901 - 23 = 2012349893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012349931) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13783146 + ... + 13783291.
It is an arithmetic number, because the mean of its divisors is an integer number (509979103).
Almost surely, 22012349901 is an apocalyptic number.
It is an amenable number.
2012349901 is a deficient number, since it is larger than the sum of its proper divisors (27566511).
2012349901 is an equidigital number, since it uses as much as digits as its factorization.
2012349901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27566510.
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 2012349901 is about 44859.2231430728. The cubic root of 2012349901 is about 1262.5090469698.
The spelling of 2012349901 in words is "two billion, twelve million, three hundred forty-nine thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.697 sec. • engine limits •