Base | Representation |
---|---|
bin | 10101100111100010… |
… | …110101011010100010 |
3 | 2012220200111212021200 |
4 | 111213202311122202 |
5 | 340014234141120 |
6 | 14355150102030 |
7 | 1451133632544 |
oct | 254742653242 |
9 | 65820455250 |
10 | 23212021410 |
11 | 9931643276 |
12 | 45b97aa916 |
13 | 225bc95116 |
14 | 11a2b1d694 |
15 | 90cc40e90 |
hex | 5678b56a2 |
23212021410 has 96 divisors (see below), whose sum is σ = 62163082800. Its totient is φ = 6005021184.
The previous prime is 23212021397. The next prime is 23212021411. The reversal of 23212021410 is 1412021232.
It is a happy number.
23212021410 is a `hidden beast` number, since 2 + 321 + 202 + 141 + 0 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 16484248881 + 6727772529 = 128391^2 + 82023^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (23212021411) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1152184 + ... + 1172156.
Almost surely, 223212021410 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23212021410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31081541400).
23212021410 is an abundant number, since it is smaller than the sum of its proper divisors (38951061390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23212021410 is a wasteful number, since it uses less digits than its factorization.
23212021410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20372 (or 20369 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 23212021410 its reverse (1412021232), we get a palindrome (24624042642).
The spelling of 23212021410 in words is "twenty-three billion, two hundred twelve million, twenty-one thousand, four hundred ten".
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