Base | Representation |
---|---|
bin | 111110101111001… |
… | …1111011110001000 |
3 | 12102201012110100122 |
4 | 1331132133132020 |
5 | 13302404121344 |
6 | 544520322412 |
7 | 103111303430 |
oct | 17536373610 |
9 | 5381173318 |
10 | 2105145224 |
11 | 990332846 |
12 | 4a9013408 |
13 | 27719ca80 |
14 | 15d8292c0 |
15 | c4c31aee |
hex | 7d79f788 |
2105145224 has 64 divisors (see below), whose sum is σ = 5143824000. Its totient is φ = 783811584.
The previous prime is 2105145187. The next prime is 2105145253. The reversal of 2105145224 is 4225415012.
It is a super-3 number, since 3×21051452243 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 2105145193 and 2105145202.
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, 72674 + ... + 97425.
It is an arithmetic number, because the mean of its divisors is an integer number (80372250).
Almost surely, 22105145224 is an apocalyptic number.
It is an amenable number.
2105145224 is an abundant number, since it is smaller than the sum of its proper divisors (3038678776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105145224 is a wasteful number, since it uses less digits than its factorization.
2105145224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170142 (or 170138 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 2105145224 is about 45881.8616012908. The cubic root of 2105145224 is about 1281.6241638485.
The spelling of 2105145224 in words is "two billion, one hundred five million, one hundred forty-five thousand, two hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •