Base | Representation |
---|---|
bin | 11110001100111110… |
… | …101101111001000100 |
3 | 10002201002210211011210 |
4 | 132030332231321010 |
5 | 1012404041202322 |
6 | 22521555531420 |
7 | 2225434432500 |
oct | 361476557104 |
9 | 102632724153 |
10 | 32430022212 |
11 | 128319a1755 |
12 | 63508b9b70 |
13 | 309a962b73 |
14 | 17d9081300 |
15 | c9c13070c |
hex | 78cfade44 |
32430022212 has 72 divisors (see below), whose sum is σ = 91059716160. Its totient is φ = 8946208320.
The previous prime is 32430022193. The next prime is 32430022223. The reversal of 32430022212 is 21222003423.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 933864 + ... + 967967.
It is an arithmetic number, because the mean of its divisors is an integer number (1264718280).
Almost surely, 232430022212 is an apocalyptic number.
It is an amenable number.
32430022212 is an abundant number, since it is smaller than the sum of its proper divisors (58629693948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32430022212 is a wasteful number, since it uses less digits than its factorization.
32430022212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1901881 (or 1901872 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 32430022212 its reverse (21222003423), we get a palindrome (53652025635).
The spelling of 32430022212 in words is "thirty-two billion, four hundred thirty million, twenty-two thousand, two hundred twelve".
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