Base | Representation |
---|---|
bin | 11100001101000010… |
… | …10100111001111000 |
3 | 1110002020221101102120 |
4 | 32012201110321320 |
5 | 222002244111313 |
6 | 10542301001240 |
7 | 1044141023244 |
oct | 160641247170 |
9 | 43066841376 |
10 | 15141785208 |
11 | 6470163380 |
12 | 2b26b53220 |
13 | 157402cb24 |
14 | a38db1424 |
15 | 5d94bed23 |
hex | 386854e78 |
15141785208 has 32 divisors (see below), whose sum is σ = 41295778560. Its totient is φ = 4588419680.
The previous prime is 15141785149. The next prime is 15141785209. The reversal of 15141785208 is 80258714151.
It is a self number, because there is not a number n which added to its sum of digits gives 15141785208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15141785209) 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, 28677360 + ... + 28677887.
It is an arithmetic number, because the mean of its divisors is an integer number (1290493080).
Almost surely, 215141785208 is an apocalyptic number.
It is an amenable number.
15141785208 is an abundant number, since it is smaller than the sum of its proper divisors (26153993352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15141785208 is a wasteful number, since it uses less digits than its factorization.
15141785208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57355267 (or 57355263 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 42.
The spelling of 15141785208 in words is "fifteen billion, one hundred forty-one million, seven hundred eighty-five thousand, two hundred eight".
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