Base | Representation |
---|---|
bin | 11100111011010100… |
… | …11100001110000000 |
3 | 1111002022112022012001 |
4 | 32131222130032000 |
5 | 223301143103212 |
6 | 11045010513344 |
7 | 1056564151651 |
oct | 163552341600 |
9 | 44068468161 |
10 | 15530050432 |
11 | 664a343826 |
12 | 3014b95854 |
13 | 16065c3070 |
14 | a7479d528 |
15 | 60d616657 |
hex | 39da9c380 |
15530050432 has 64 divisors (see below), whose sum is σ = 34767401760. Its totient is φ = 6856058880.
The previous prime is 15530050379. The next prime is 15530050433. The reversal of 15530050432 is 23405003551.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 15530050432.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15530050433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164619 + ... + 241162.
Almost surely, 215530050432 is an apocalyptic number.
It is an amenable number.
15530050432 is an abundant number, since it is smaller than the sum of its proper divisors (19237351328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15530050432 is a wasteful number, since it uses less digits than its factorization.
15530050432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405831 (or 405819 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 28.
Adding to 15530050432 its reverse (23405003551), we get a palindrome (38935053983).
The spelling of 15530050432 in words is "fifteen billion, five hundred thirty million, fifty thousand, four hundred thirty-two".
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