Base | Representation |
---|---|
bin | 1011100000001110… |
… | …0011110000111001 |
3 | 21222012111122020210 |
4 | 2320003203300321 |
5 | 22311003100130 |
6 | 1230225141333 |
7 | 136344030315 |
oct | 27003436071 |
9 | 7865448223 |
10 | 3087940665 |
11 | 1345075587 |
12 | 72218a849 |
13 | 3a2995034 |
14 | 214178b45 |
15 | 1311655b0 |
hex | b80e3c39 |
3087940665 has 16 divisors (see below), whose sum is σ = 4958942976. Its totient is φ = 1640822400.
The previous prime is 3087940663. The next prime is 3087940699. The reversal of 3087940665 is 5660497803.
It is not a de Polignac number, because 3087940665 - 21 = 3087940663 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3087940663) 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, 375756 + ... + 383885.
It is an arithmetic number, because the mean of its divisors is an integer number (309933936).
Almost surely, 23087940665 is an apocalyptic number.
It is an amenable number.
3087940665 is a deficient number, since it is larger than the sum of its proper divisors (1871002311).
3087940665 is a wasteful number, since it uses less digits than its factorization.
3087940665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 759920.
The product of its (nonzero) digits is 1088640, while the sum is 48.
The square root of 3087940665 is about 55569.2420768900. The cubic root of 3087940665 is about 1456.2065569632.
The spelling of 3087940665 in words is "three billion, eighty-seven million, nine hundred forty thousand, six hundred sixty-five".
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