Base | Representation |
---|---|
bin | 111110111100101… |
… | …1010010100111010 |
3 | 12110012110222111021 |
4 | 1331321122110322 |
5 | 13311210431132 |
6 | 545331453054 |
7 | 103225264306 |
oct | 17571322472 |
9 | 5405428437 |
10 | 2112202042 |
11 | 994312725 |
12 | 4ab45718a |
13 | 2787a0ac2 |
14 | 160744d06 |
15 | c5677997 |
hex | 7de5a53a |
2112202042 has 16 divisors (see below), whose sum is σ = 3200614560. Its totient is φ = 1045347408.
The previous prime is 2112202031. The next prime is 2112202061. The reversal of 2112202042 is 2402022112.
It is a super-2 number, since 2×21122020422 = 8922794932457939528, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302353 + ... + 309259.
It is an arithmetic number, because the mean of its divisors is an integer number (200038410).
Almost surely, 22112202042 is an apocalyptic number.
2112202042 is a deficient number, since it is larger than the sum of its proper divisors (1088412518).
2112202042 is a wasteful number, since it uses less digits than its factorization.
2112202042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8445.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2112202042 is about 45958.6993070953. The cubic root of 2112202042 is about 1283.0546433611.
Adding to 2112202042 its reverse (2402022112), we get a palindrome (4514224154).
The spelling of 2112202042 in words is "two billion, one hundred twelve million, two hundred two thousand, forty-two".
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