Base | Representation |
---|---|
bin | 1010101100010110… |
… | …1110111011010110 |
3 | 21102001011202222120 |
4 | 2223011232323112 |
5 | 21334311004440 |
6 | 1152454440410 |
7 | 131063025102 |
oct | 25305567326 |
9 | 7361152876 |
10 | 2870406870 |
11 | 12432a7191 |
12 | 681363106 |
13 | 3698ac006 |
14 | 1d3310902 |
15 | 11bee5dd0 |
hex | ab16eed6 |
2870406870 has 64 divisors (see below), whose sum is σ = 7181844480. Its totient is φ = 733392000.
The previous prime is 2870406859. The next prime is 2870406881. The reversal of 2870406870 is 786040782.
It is an interprime number because it is at equal distance from previous prime (2870406859) and next prime (2870406881).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78651 + ... + 109209.
It is an arithmetic number, because the mean of its divisors is an integer number (112216320).
Almost surely, 22870406870 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2870406870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3590922240).
2870406870 is an abundant number, since it is smaller than the sum of its proper divisors (4311437610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2870406870 is a wasteful number, since it uses less digits than its factorization.
2870406870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30701.
The product of its (nonzero) digits is 150528, while the sum is 42.
The square root of 2870406870 is about 53576.1781951643. The cubic root of 2870406870 is about 1421.1758543866.
The spelling of 2870406870 in words is "two billion, eight hundred seventy million, four hundred six thousand, eight hundred seventy".
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