Base | Representation |
---|---|
bin | 10010110100101110… |
… | …101101000011100000 |
3 | 1221011121110112222121 |
4 | 102310232231003200 |
5 | 312343233324412 |
6 | 13141341314024 |
7 | 1313605155310 |
oct | 226456550340 |
9 | 57147415877 |
10 | 20212011232 |
11 | 8632176216 |
12 | 3b00b65914 |
13 | 1ba15a907a |
14 | d9a513440 |
15 | 7d4699107 |
hex | 4b4bad0e0 |
20212011232 has 48 divisors (see below), whose sum is σ = 45546998112. Its totient is φ = 8648962560.
The previous prime is 20212011221. The next prime is 20212011233. The reversal of 20212011232 is 23211021202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20212011233) 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, 77182 + ... + 215362.
It is an arithmetic number, because the mean of its divisors is an integer number (948895794).
Almost surely, 220212011232 is an apocalyptic number.
It is an amenable number.
20212011232 is an abundant number, since it is smaller than the sum of its proper divisors (25334986880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212011232 is a wasteful number, since it uses less digits than its factorization.
20212011232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138851 (or 138843 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 20212011232 its reverse (23211021202), we get a palindrome (43423032434).
The spelling of 20212011232 in words is "twenty billion, two hundred twelve million, eleven thousand, two hundred thirty-two".
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