Base | Representation |
---|---|
bin | 111110101111110… |
… | …1001111010101000 |
3 | 12102201202221122021 |
4 | 1331133221322220 |
5 | 13302443401102 |
6 | 544531034224 |
7 | 103114013431 |
oct | 17537517250 |
9 | 5381687567 |
10 | 2105450152 |
11 | 990520953 |
12 | 4a913b974 |
13 | 2772787c0 |
14 | 15d8a8488 |
15 | c4c92137 |
hex | 7d7e9ea8 |
2105450152 has 16 divisors (see below), whose sum is σ = 4251389940. Its totient is φ = 971746176.
The previous prime is 2105450147. The next prime is 2105450177. The reversal of 2105450152 is 2510545012.
It can be written as a sum of positive squares in 2 ways, for example, as 2079907236 + 25542916 = 45606^2 + 5054^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10122253 + ... + 10122460.
Almost surely, 22105450152 is an apocalyptic number.
It is an amenable number.
2105450152 is an abundant number, since it is smaller than the sum of its proper divisors (2145939788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105450152 is a wasteful number, since it uses less digits than its factorization.
2105450152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20244732 (or 20244728 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 2105450152 is about 45885.1844498853. The cubic root of 2105450152 is about 1281.6860414838.
Adding to 2105450152 its reverse (2510545012), we get a palindrome (4615995164).
The spelling of 2105450152 in words is "two billion, one hundred five million, four hundred fifty thousand, one hundred fifty-two".
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