Base | Representation |
---|---|
bin | 10000111100111011… |
… | …001010000110010001 |
3 | 1201222112021220122120 |
4 | 100330323022012101 |
5 | 244234203310001 |
6 | 12210100124453 |
7 | 1213030350360 |
oct | 207473120621 |
9 | 51875256576 |
10 | 18202010001 |
11 | 77a061857a |
12 | 363b996729 |
13 | 194103c726 |
14 | c495b37d7 |
15 | 717ead236 |
hex | 43ceca191 |
18202010001 has 16 divisors (see below), whose sum is σ = 27995618304. Its totient is φ = 10303940304.
The previous prime is 18202009981. The next prime is 18202010011. The reversal of 18202010001 is 10001020281.
It is not a de Polignac number, because 18202010001 - 222 = 18197815697 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18202010011) 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, 4048045 + ... + 4052538.
It is an arithmetic number, because the mean of its divisors is an integer number (1749726144).
Almost surely, 218202010001 is an apocalyptic number.
It is an amenable number.
18202010001 is a deficient number, since it is larger than the sum of its proper divisors (9793608303).
18202010001 is a wasteful number, since it uses less digits than its factorization.
18202010001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8100700.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 18202010001 its reverse (10001020281), we get a palindrome (28203030282).
The spelling of 18202010001 in words is "eighteen billion, two hundred two million, ten thousand, one".
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