Base | Representation |
---|---|
bin | 10000111110110… |
… | …11001100000011 |
3 | 100221001111021200 |
4 | 20133123030003 |
5 | 242432034210 |
6 | 22045152243 |
7 | 3346565214 |
oct | 1037331403 |
9 | 327044250 |
10 | 142455555 |
11 | 73459a70 |
12 | 3b85b683 |
13 | 23689c38 |
14 | 14cc340b |
15 | c78e0c0 |
hex | 87db303 |
142455555 has 24 divisors (see below), whose sum is σ = 269371440. Its totient is φ = 69069120.
The previous prime is 142455553. The next prime is 142455611. The reversal of 142455555 is 555554241.
142455555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142455555 - 21 = 142455553 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142455553) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143400 + ... + 144389.
It is an arithmetic number, because the mean of its divisors is an integer number (11223810).
Almost surely, 2142455555 is an apocalyptic number.
142455555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142455555 is a deficient number, since it is larger than the sum of its proper divisors (126915885).
142455555 is a wasteful number, since it uses less digits than its factorization.
142455555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287811 (or 287808 counting only the distinct ones).
The product of its digits is 100000, while the sum is 36.
The square root of 142455555 is about 11935.4746449398. The cubic root of 142455555 is about 522.2676546074.
The spelling of 142455555 in words is "one hundred forty-two million, four hundred fifty-five thousand, five hundred fifty-five".
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