Base | Representation |
---|---|
bin | 10000111100110… |
… | …00000010100000 |
3 | 100220112111222220 |
4 | 20132120002200 |
5 | 242344234022 |
6 | 22035231040 |
7 | 3344341305 |
oct | 1036300240 |
9 | 326474886 |
10 | 142180512 |
11 | 73291361 |
12 | 3b748480 |
13 | 235c19a6 |
14 | 14c510ac |
15 | c73785c |
hex | 87980a0 |
142180512 has 24 divisors (see below), whose sum is σ = 373224096. Its totient is φ = 47393472.
The previous prime is 142180483. The next prime is 142180517. The reversal of 142180512 is 215081241.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (142180517) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740428 + ... + 740619.
It is an arithmetic number, because the mean of its divisors is an integer number (15551004).
Almost surely, 2142180512 is an apocalyptic number.
142180512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142180512 is an abundant number, since it is smaller than the sum of its proper divisors (231043584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142180512 is a wasteful number, since it uses less digits than its factorization.
142180512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1481060 (or 1481052 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 24.
The square root of 142180512 is about 11923.9469975340. The cubic root of 142180512 is about 521.9313190418.
The spelling of 142180512 in words is "one hundred forty-two million, one hundred eighty thousand, five hundred twelve".
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