Base | Representation |
---|---|
bin | 1011111101100111… |
… | …0000011000010100 |
3 | 22021210102212022002 |
4 | 2333121300120110 |
5 | 23034031400040 |
6 | 1250351054432 |
7 | 142401515120 |
oct | 27731603024 |
9 | 8253385262 |
10 | 3211200020 |
11 | 13a8703116 |
12 | 757511418 |
13 | 3c2390672 |
14 | 2266a2580 |
15 | 13bdb1a15 |
hex | bf670614 |
3211200020 has 24 divisors (see below), whose sum is σ = 7706880384. Its totient is φ = 1100982816.
The previous prime is 3211200019. The next prime is 3211200029. The reversal of 3211200020 is 200021123.
It is a happy number.
3211200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 3211199974 and 3211200010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3211200029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11468432 + ... + 11468711.
It is an arithmetic number, because the mean of its divisors is an integer number (321120016).
Almost surely, 23211200020 is an apocalyptic number.
It is an amenable number.
3211200020 is an abundant number, since it is smaller than the sum of its proper divisors (4495680364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3211200020 is a wasteful number, since it uses less digits than its factorization.
3211200020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22937159 (or 22937157 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 3211200020 is about 56667.4511514326. The cubic root of 3211200020 is about 1475.3298153589.
Adding to 3211200020 its reverse (200021123), we get a palindrome (3411221143).
The spelling of 3211200020 in words is "three billion, two hundred eleven million, two hundred thousand, twenty".
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