Base | Representation |
---|---|
bin | 111111110111110… |
… | …1101000001001000 |
3 | 12112100211102121010 |
4 | 1333233231001020 |
5 | 13342130232332 |
6 | 552400243520 |
7 | 104052666204 |
oct | 17757550110 |
9 | 5470742533 |
10 | 2143211592 |
11 | 9aa872655 |
12 | 4b99105a0 |
13 | 28203a452 |
14 | 1648d7b04 |
15 | c82509cc |
hex | 7fbed048 |
2143211592 has 64 divisors (see below), whose sum is σ = 5552568000. Its totient is φ = 688552704.
The previous prime is 2143211579. The next prime is 2143211593. The reversal of 2143211592 is 2951123412.
It is a super-3 number, since 3×21432115923 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2143211593) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445134 + ... + 449922.
It is an arithmetic number, because the mean of its divisors is an integer number (86758875).
Almost surely, 22143211592 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2143211592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2776284000).
2143211592 is an abundant number, since it is smaller than the sum of its proper divisors (3409356408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143211592 is a wasteful number, since it uses less digits than its factorization.
2143211592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5470 (or 5466 counting only the distinct ones).
The product of its digits is 4320, while the sum is 30.
The square root of 2143211592 is about 46294.8333186329. The cubic root of 2143211592 is about 1289.3030692529.
The spelling of 2143211592 in words is "two billion, one hundred forty-three million, two hundred eleven thousand, five hundred ninety-two".
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