Base | Representation |
---|---|
bin | 10101100111100011… |
… | …100100010001010100 |
3 | 2012220200212121112220 |
4 | 111213203210101110 |
5 | 340014311311312 |
6 | 14355154142340 |
7 | 1451135362230 |
oct | 254743442124 |
9 | 65820777486 |
10 | 23212213332 |
11 | 9931764490 |
12 | 45b98819b0 |
13 | 225c031599 |
14 | 11a2b6d5c0 |
15 | 90cc7cc8c |
hex | 5678e4454 |
23212213332 has 48 divisors (see below), whose sum is σ = 67526441472. Its totient is φ = 6029146080.
The previous prime is 23212213279. The next prime is 23212213337. The reversal of 23212213332 is 23331221232.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23212213337) 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, 12559798 + ... + 12561645.
It is an arithmetic number, because the mean of its divisors is an integer number (1406800864).
Almost surely, 223212213332 is an apocalyptic number.
23212213332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23212213332 is an abundant number, since it is smaller than the sum of its proper divisors (44314228140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23212213332 is a wasteful number, since it uses less digits than its factorization.
23212213332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25121468 (or 25121466 counting only the distinct ones).
The product of its digits is 2592, while the sum is 24.
Adding to 23212213332 its reverse (23331221232), we get a palindrome (46543434564).
The spelling of 23212213332 in words is "twenty-three billion, two hundred twelve million, two hundred thirteen thousand, three hundred thirty-two".
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