Base | Representation |
---|---|
bin | 1001110110000111… |
… | …0101100001011110 |
3 | 20211012001212111000 |
4 | 2131201311201132 |
5 | 20403040033034 |
6 | 1114130211130 |
7 | 122331135045 |
oct | 23541654136 |
9 | 6735055430 |
10 | 2642892894 |
11 | 1136931604 |
12 | 619123aa6 |
13 | 331710465 |
14 | 1b100955c |
15 | 107054599 |
hex | 9d87585e |
2642892894 has 32 divisors (see below), whose sum is σ = 6182208000. Its totient is φ = 834597432.
The previous prime is 2642892877. The next prime is 2642892899. The reversal of 2642892894 is 4982982462.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 2642892894.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2642892899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286934 + ... + 1288985.
It is an arithmetic number, because the mean of its divisors is an integer number (193194000).
Almost surely, 22642892894 is an apocalyptic number.
2642892894 is an abundant number, since it is smaller than the sum of its proper divisors (3539315106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2642892894 is a wasteful number, since it uses less digits than its factorization.
2642892894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2575949 (or 2575943 counting only the distinct ones).
The product of its digits is 3981312, while the sum is 54.
The square root of 2642892894 is about 51409.0740434021. The cubic root of 2642892894 is about 1382.5892880299.
The spelling of 2642892894 in words is "two billion, six hundred forty-two million, eight hundred ninety-two thousand, eight hundred ninety-four".
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