Base | Representation |
---|---|
bin | 10111111101100… |
… | …11001100110011 |
3 | 112000020110122121 |
4 | 23332303030303 |
5 | 402424341034 |
6 | 31540215111 |
7 | 4660400605 |
oct | 1376631463 |
9 | 460213577 |
10 | 201012019 |
11 | a351433a |
12 | 5739a497 |
13 | 3284cb30 |
14 | 1c9a7175 |
15 | 129a91b4 |
hex | bfb3333 |
201012019 has 32 divisors (see below), whose sum is σ = 233985024. Its totient is φ = 171262080.
The previous prime is 201011983. The next prime is 201012047. The reversal of 201012019 is 910210102.
It is a cyclic number.
It is not a de Polignac number, because 201012019 - 27 = 201011891 is a prime.
It is a super-2 number, since 2×2010120192 = 80811663564912722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 201011993 and 201012011.
It is not an unprimeable number, because it can be changed into a prime (201012059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1878564 + ... + 1878670.
It is an arithmetic number, because the mean of its divisors is an integer number (7312032).
Almost surely, 2201012019 is an apocalyptic number.
201012019 is a deficient number, since it is larger than the sum of its proper divisors (32973005).
201012019 is a wasteful number, since it uses less digits than its factorization.
201012019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307.
The product of its (nonzero) digits is 36, while the sum is 16.
The square root of 201012019 is about 14177.8707498693. The cubic root of 201012019 is about 585.7882757354.
The spelling of 201012019 in words is "two hundred one million, twelve thousand, nineteen".
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