Base | Representation |
---|---|
bin | 10010101001100101… |
… | …110111110000101010 |
3 | 1220200120211211122021 |
4 | 102221211313300222 |
5 | 312002414141120 |
6 | 13111024215054 |
7 | 1306145636023 |
oct | 225145676052 |
9 | 56616754567 |
10 | 20025146410 |
11 | 8546744985 |
12 | 3a6a46a48a |
13 | 1b71970679 |
14 | d7d78dc4a |
15 | 7c3086aaa |
hex | 4a9977c2a |
20025146410 has 16 divisors (see below), whose sum is σ = 37288204200. Its totient is φ = 7733849536.
The previous prime is 20025146363. The next prime is 20025146423. The reversal of 20025146410 is 1464152002.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 18252820609 + 1772325801 = 135103^2 + 42099^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34525825 + ... + 34526404.
Almost surely, 220025146410 is an apocalyptic number.
20025146410 is a deficient number, since it is larger than the sum of its proper divisors (17263057790).
20025146410 is a wasteful number, since it uses less digits than its factorization.
20025146410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69052265.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 20025146410 its reverse (1464152002), we get a palindrome (21489298412).
The spelling of 20025146410 in words is "twenty billion, twenty-five million, one hundred forty-six thousand, four hundred ten".
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