Base | Representation |
---|---|
bin | 111111011110110… |
… | …1011111101001010 |
3 | 12111110011021221011 |
4 | 1332331223331022 |
5 | 13330301200132 |
6 | 551211234134 |
7 | 103533360130 |
oct | 17675537512 |
9 | 5443137834 |
10 | 2130100042 |
11 | 9a3427764 |
12 | 4b544894a |
13 | 27c3c9535 |
14 | 162c83750 |
15 | c7010b47 |
hex | 7ef6bf4a |
2130100042 has 16 divisors (see below), whose sum is σ = 3652264512. Its totient is φ = 912733920.
The previous prime is 2130100033. The next prime is 2130100057. The reversal of 2130100042 is 2400010312.
It is a junction number, because it is equal to n+sod(n) for n = 2130099995 and 2130100031.
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, 95793 + ... + 115915.
It is an arithmetic number, because the mean of its divisors is an integer number (228266532).
Almost surely, 22130100042 is an apocalyptic number.
2130100042 is a deficient number, since it is larger than the sum of its proper divisors (1522164470).
2130100042 is a wasteful number, since it uses less digits than its factorization.
2130100042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27693.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 2130100042 is about 46153.0068576252. The cubic root of 2130100042 is about 1286.6684947072.
Adding to 2130100042 its reverse (2400010312), we get a palindrome (4530110354).
The spelling of 2130100042 in words is "two billion, one hundred thirty million, one hundred thousand, forty-two".
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