Base | Representation |
---|---|
bin | 111110011100110… |
… | …0101100101001001 |
3 | 12102000222221201010 |
4 | 1330321211211021 |
5 | 13242420032141 |
6 | 543533114133 |
7 | 102633131445 |
oct | 17471454511 |
9 | 5360887633 |
10 | 2095470921 |
11 | 985925355 |
12 | 4a5928949 |
13 | 27519352b |
14 | 15c42b825 |
15 | c3e70416 |
hex | 7ce65949 |
2095470921 has 16 divisors (see below), whose sum is σ = 2824937024. Its totient is φ = 1381515264.
The previous prime is 2095470919. The next prime is 2095470943. The reversal of 2095470921 is 1290745902.
It is not a de Polignac number, because 2095470921 - 21 = 2095470919 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2095470921.
It is not an unprimeable number, because it can be changed into a prime (2095470901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604425 + ... + 607881.
It is an arithmetic number, because the mean of its divisors is an integer number (176558564).
Almost surely, 22095470921 is an apocalyptic number.
It is an amenable number.
2095470921 is a deficient number, since it is larger than the sum of its proper divisors (729466103).
2095470921 is a wasteful number, since it uses less digits than its factorization.
2095470921 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5640.
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 2095470921 is about 45776.3139734951. The cubic root of 2095470921 is about 1279.6578921743.
The spelling of 2095470921 in words is "two billion, ninety-five million, four hundred seventy thousand, nine hundred twenty-one".
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