Base | Representation |
---|---|
bin | 1011100001000111… |
… | …0111001101001000 |
3 | 21222110120010210121 |
4 | 2320101313031020 |
5 | 22312433042222 |
6 | 1230441353024 |
7 | 136420635244 |
oct | 27021671510 |
9 | 7873503717 |
10 | 3091690312 |
11 | 13471a6767 |
12 | 723498774 |
13 | 3a36a8969 |
14 | 214873424 |
15 | 1316565c7 |
hex | b8477348 |
3091690312 has 32 divisors (see below), whose sum is σ = 6201218520. Its totient is φ = 1439907840.
The previous prime is 3091690309. The next prime is 3091690331. The reversal of 3091690312 is 2130961903.
It can be written as a sum of positive squares in 4 ways, for example, as 3041081316 + 50608996 = 55146^2 + 7114^2 .
It is a super-3 number, since 3×30916903123 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103989 + ... + 130372.
Almost surely, 23091690312 is an apocalyptic number.
It is an amenable number.
3091690312 is an abundant number, since it is smaller than the sum of its proper divisors (3109528208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3091690312 is a wasteful number, since it uses less digits than its factorization.
3091690312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234481 (or 234477 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 34.
The square root of 3091690312 is about 55602.9703523112. The cubic root of 3091690312 is about 1456.7957362385.
The spelling of 3091690312 in words is "three billion, ninety-one million, six hundred ninety thousand, three hundred twelve".
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