Base | Representation |
---|---|
bin | 111011011101001… |
… | …1110110011011011 |
3 | 12011001000122010212 |
4 | 1312322132303123 |
5 | 13041212321021 |
6 | 525544401335 |
7 | 100303402004 |
oct | 16672366333 |
9 | 5131018125 |
10 | 1995042011 |
11 | 934170656 |
12 | 47817624b |
13 | 25a42c741 |
14 | 14cd681ab |
15 | ba23385b |
hex | 76e9ecdb |
1995042011 has 8 divisors (see below), whose sum is σ = 2082232320. Its totient is φ = 1907889192.
The previous prime is 1995041999. The next prime is 1995042013. The reversal of 1995042011 is 1102405991.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1995042011 - 210 = 1995040987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1995042013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188486 + ... + 198788.
It is an arithmetic number, because the mean of its divisors is an integer number (260279040).
Almost surely, 21995042011 is an apocalyptic number.
1995042011 is a deficient number, since it is larger than the sum of its proper divisors (87190309).
1995042011 is a wasteful number, since it uses less digits than its factorization.
1995042011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18745.
The product of its (nonzero) digits is 3240, while the sum is 32.
The square root of 1995042011 is about 44665.8931512625. The cubic root of 1995042011 is about 1258.8790759530.
The spelling of 1995042011 in words is "one billion, nine hundred ninety-five million, forty-two thousand, eleven".
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