Base | Representation |
---|---|
bin | 1011101101010111… |
… | …0000000011000100 |
3 | 22010001012001000002 |
4 | 2323111300003010 |
5 | 22414104304340 |
6 | 1235514140432 |
7 | 140613260324 |
oct | 27325600304 |
9 | 8101161002 |
10 | 3143041220 |
11 | 137318a430 |
12 | 738721718 |
13 | 3b1217c07 |
14 | 21b5dd284 |
15 | 135deb715 |
hex | bb5700c4 |
3143041220 has 96 divisors (see below), whose sum is σ = 7470199296. Its totient is φ = 1100736000.
The previous prime is 3143041193. The next prime is 3143041229. The reversal of 3143041220 is 221403413.
It is a super-2 number, since 2×31430412202 = 19757416221238176800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 3143041192 and 3143041201.
It is not an unprimeable number, because it can be changed into a prime (3143041229) 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, 820229 + ... + 824051.
It is an arithmetic number, because the mean of its divisors is an integer number (77814576).
Almost surely, 23143041220 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 3143041220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3735099648).
3143041220 is an abundant number, since it is smaller than the sum of its proper divisors (4327158076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3143041220 is a wasteful number, since it uses less digits than its factorization.
3143041220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3981 (or 3979 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 3143041220 is about 56062.8327860803. The cubic root of 3143041220 is about 1464.8169573326.
Adding to 3143041220 its reverse (221403413), we get a palindrome (3364444633).
The spelling of 3143041220 in words is "three billion, one hundred forty-three million, forty-one thousand, two hundred twenty".
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