Base | Representation |
---|---|
bin | 11100010010110001… |
… | …10111001101011000 |
3 | 1110012121110202212111 |
4 | 32021120313031120 |
5 | 222102103214242 |
6 | 10551140122104 |
7 | 1045264001056 |
oct | 161130671530 |
9 | 43177422774 |
10 | 15189898072 |
11 | 6495335278 |
12 | 2b3b096334 |
13 | 1580ca728b |
14 | a415371d6 |
15 | 5dd825817 |
hex | 389637358 |
15189898072 has 32 divisors (see below), whose sum is σ = 31129211520. Its totient is φ = 6917598720.
The previous prime is 15189898063. The next prime is 15189898091. The reversal of 15189898072 is 27089898151.
15189898072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 15189897998 and 15189898016.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797243 + ... + 1805674.
It is an arithmetic number, because the mean of its divisors is an integer number (972787860).
Almost surely, 215189898072 is an apocalyptic number.
It is an amenable number.
15189898072 is an abundant number, since it is smaller than the sum of its proper divisors (15939313448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15189898072 is a wasteful number, since it uses less digits than its factorization.
15189898072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3602971 (or 3602967 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 58.
The spelling of 15189898072 in words is "fifteen billion, one hundred eighty-nine million, eight hundred ninety-eight thousand, seventy-two".
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