Base | Representation |
---|---|
bin | 10010101010001011… |
… | …100111101101010010 |
3 | 1220201021110121000102 |
4 | 102222023213231102 |
5 | 312012432322010 |
6 | 13112020252402 |
7 | 1306326022355 |
oct | 225213475522 |
9 | 56637417012 |
10 | 20035042130 |
11 | 8551293764 |
12 | 3a71841102 |
13 | 1b73a2691c |
14 | d80c0829c |
15 | 7c3d8dba5 |
hex | 4aa2e7b52 |
20035042130 has 32 divisors (see below), whose sum is σ = 38440753200. Its totient is φ = 7491973120.
The previous prime is 20035042129. The next prime is 20035042133. The reversal of 20035042130 is 3124053002.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 6858986761 + 13176055369 = 82819^2 + 114787^2 .
It is not an unprimeable number, because it can be changed into a prime (20035042133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370151 + ... + 420810.
Almost surely, 220035042130 is an apocalyptic number.
20035042130 is a deficient number, since it is larger than the sum of its proper divisors (18405711070).
20035042130 is a wasteful number, since it uses less digits than its factorization.
20035042130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791134.
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 20035042130 its reverse (3124053002), we get a palindrome (23159095132).
The spelling of 20035042130 in words is "twenty billion, thirty-five million, forty-two thousand, one hundred thirty".
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