Base | Representation |
---|---|
bin | 11110100111110011… |
… | …101001011111001101 |
3 | 10010212110201102021021 |
4 | 132213303221133031 |
5 | 1014314301333141 |
6 | 23034354434141 |
7 | 2242541166442 |
oct | 364763513715 |
9 | 103773642237 |
10 | 32880105421 |
11 | 12a42a64949 |
12 | 6457592951 |
13 | 313cc8b6a7 |
14 | 183cb619c9 |
15 | cc68d86d1 |
hex | 7a7ce97cd |
32880105421 has 4 divisors (see below), whose sum is σ = 33061763644. Its totient is φ = 32698447200.
The previous prime is 32880105413. The next prime is 32880105439. The reversal of 32880105421 is 12450108823.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 14543154025 + 18336951396 = 120595^2 + 135414^2 .
It is a cyclic number.
It is not a de Polignac number, because 32880105421 - 23 = 32880105413 is a prime.
It is a super-2 number, since 2×328801054212 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32880105491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90828840 + ... + 90829201.
It is an arithmetic number, because the mean of its divisors is an integer number (8265440911).
Almost surely, 232880105421 is an apocalyptic number.
It is an amenable number.
32880105421 is a deficient number, since it is larger than the sum of its proper divisors (181658223).
32880105421 is a wasteful number, since it uses less digits than its factorization.
32880105421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181658222.
The product of its (nonzero) digits is 15360, while the sum is 34.
The spelling of 32880105421 in words is "thirty-two billion, eight hundred eighty million, one hundred five thousand, four hundred twenty-one".
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