Base | Representation |
---|---|
bin | 1011100000011000… |
… | …1010000001110001 |
3 | 21222020210020102121 |
4 | 2320012022001301 |
5 | 22311141343211 |
6 | 1230251514241 |
7 | 136352564635 |
oct | 27006120161 |
9 | 7866706377 |
10 | 3088621681 |
11 | 13454a0202 |
12 | 722458981 |
13 | 3a2b72cc2 |
14 | 2142b4dc5 |
15 | 13124c271 |
hex | b818a071 |
3088621681 has 4 divisors (see below), whose sum is σ = 3091148352. Its totient is φ = 3086095012.
The previous prime is 3088621643. The next prime is 3088621709. The reversal of 3088621681 is 1861268803.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 3088621681 - 215 = 3088588913 is a prime.
It is a super-2 number, since 2×30886216812 = 19079167776686531522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3088621981) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261501 + ... + 1263946.
It is an arithmetic number, because the mean of its divisors is an integer number (772787088).
Almost surely, 23088621681 is an apocalyptic number.
It is an amenable number.
3088621681 is a deficient number, since it is larger than the sum of its proper divisors (2526671).
3088621681 is a wasteful number, since it uses less digits than its factorization.
3088621681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2526670.
The product of its (nonzero) digits is 110592, while the sum is 43.
The square root of 3088621681 is about 55575.3693734913. The cubic root of 3088621681 is about 1456.3135999386.
The spelling of 3088621681 in words is "three billion, eighty-eight million, six hundred twenty-one thousand, six hundred eighty-one".
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