Base | Representation |
---|---|
bin | 1011100011010101… |
… | …1011001111111101 |
3 | 22000010002210002221 |
4 | 2320311123033331 |
5 | 22322324403424 |
6 | 1231413245341 |
7 | 136563114124 |
oct | 27065331775 |
9 | 8003083087 |
10 | 3101012989 |
11 | 1351493a58 |
12 | 726633851 |
13 | 3a55c1139 |
14 | 215bbcabb |
15 | 1323989e4 |
hex | b8d5b3fd |
3101012989 has 4 divisors (see below), whose sum is σ = 3101151420. Its totient is φ = 3100874560.
The previous prime is 3101012963. The next prime is 3101013017. The reversal of 3101012989 is 9892101013.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 829728025 + 2271284964 = 28805^2 + 47658^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3101012989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3101010989) 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, 27052 + ... + 83269.
It is an arithmetic number, because the mean of its divisors is an integer number (775287855).
Almost surely, 23101012989 is an apocalyptic number.
It is an amenable number.
3101012989 is a deficient number, since it is larger than the sum of its proper divisors (138431).
3101012989 is a wasteful number, since it uses less digits than its factorization.
3101012989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138430.
The product of its (nonzero) digits is 3888, while the sum is 34.
The square root of 3101012989 is about 55686.7397950356. The cubic root of 3101012989 is about 1458.2585399276.
The spelling of 3101012989 in words is "three billion, one hundred one million, twelve thousand, nine hundred eighty-nine".
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