Base | Representation |
---|---|
bin | 10101101101000010… |
… | …011110011100011100 |
3 | 2020011002222010022001 |
4 | 111231002132130130 |
5 | 340211333431022 |
6 | 14412241532044 |
7 | 1453333306630 |
oct | 255502363434 |
9 | 66132863261 |
10 | 23304202012 |
11 | 9979683993 |
12 | 4624644024 |
13 | 22750cb760 |
14 | 11b1076dc0 |
15 | 915d9db27 |
hex | 56d09e71c |
23304202012 has 192 divisors, whose sum is σ = 55324057600. Its totient is φ = 8330895360.
The previous prime is 23304201983. The next prime is 23304202013. The reversal of 23304202012 is 21020240332.
It is a super-2 number, since 2×233042020122 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23304202013) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15650164 + ... + 15651652.
Almost surely, 223304202012 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 23304202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27662028800).
23304202012 is an abundant number, since it is smaller than the sum of its proper divisors (32019855588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23304202012 is a wasteful number, since it uses less digits than its factorization.
23304202012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1636 (or 1634 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 23304202012 its reverse (21020240332), we get a palindrome (44324442344).
The spelling of 23304202012 in words is "twenty-three billion, three hundred four million, two hundred two thousand, twelve".
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