Base | Representation |
---|---|
bin | 10001000000110… |
… | …11011010111000 |
3 | 100221112212011212 |
4 | 20200123122320 |
5 | 243013444043 |
6 | 22054542252 |
7 | 3352042232 |
oct | 1040333270 |
9 | 327485155 |
10 | 142718648 |
11 | 736196a6 |
12 | 3b967988 |
13 | 2374c907 |
14 | 14d51252 |
15 | c7e2018 |
hex | 881b6b8 |
142718648 has 8 divisors (see below), whose sum is σ = 267597480. Its totient is φ = 71359320.
The previous prime is 142718629. The next prime is 142718651. The reversal of 142718648 is 846817241.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×1427186482 = 40737224973895808, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8919908 + ... + 8919923.
It is an arithmetic number, because the mean of its divisors is an integer number (33449685).
Almost surely, 2142718648 is an apocalyptic number.
It is an amenable number.
142718648 is a deficient number, since it is larger than the sum of its proper divisors (124878832).
142718648 is a wasteful number, since it uses less digits than its factorization.
142718648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17839837 (or 17839833 counting only the distinct ones).
The product of its digits is 86016, while the sum is 41.
The square root of 142718648 is about 11946.4910329352. The cubic root of 142718648 is about 522.5889722804.
The spelling of 142718648 in words is "one hundred forty-two million, seven hundred eighteen thousand, six hundred forty-eight".
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