Base | Representation |
---|---|
bin | 111011110010111… |
… | …0001000010001011 |
3 | 12011211101010010002 |
4 | 1313211301002023 |
5 | 13102113421000 |
6 | 531031513215 |
7 | 100502011151 |
oct | 16745610213 |
9 | 5154333102 |
10 | 2006388875 |
11 | 93a610727 |
12 | 47bb2880b |
13 | 25c8a336a |
14 | 15067d3d1 |
15 | bb2258d5 |
hex | 7797108b |
2006388875 has 32 divisors (see below), whose sum is σ = 2707810560. Its totient is φ = 1478476800.
The previous prime is 2006388871. The next prime is 2006388887. The reversal of 2006388875 is 5788836002.
It is not a de Polignac number, because 2006388875 - 22 = 2006388871 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is not an unprimeable number, because it can be changed into a prime (2006388871) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89831 + ... + 109919.
It is an arithmetic number, because the mean of its divisors is an integer number (84619080).
Almost surely, 22006388875 is an apocalyptic number.
2006388875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2006388875 is a deficient number, since it is larger than the sum of its proper divisors (701421685).
2006388875 is a wasteful number, since it uses less digits than its factorization.
2006388875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20168 (or 20158 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 47.
The square root of 2006388875 is about 44792.7323904224. The cubic root of 2006388875 is about 1261.2612035768.
The spelling of 2006388875 in words is "two billion, six million, three hundred eighty-eight thousand, eight hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •