Base | Representation |
---|---|
bin | 10000111111101… |
… | …01101011100100 |
3 | 100221021000010200 |
4 | 20133311223210 |
5 | 242444022233 |
6 | 22051350500 |
7 | 3350526453 |
oct | 1037655344 |
9 | 327230120 |
10 | 142564068 |
11 | 73523549 |
12 | 3b8b2430 |
13 | 236c744a |
14 | 14d10b9a |
15 | c7b1313 |
hex | 87f5ae4 |
142564068 has 72 divisors (see below), whose sum is σ = 381282720. Its totient is φ = 44789760.
The previous prime is 142564067. The next prime is 142564073. The reversal of 142564068 is 860465241.
142564068 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 640 + 6 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (142564067) 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, 175383 + ... + 176193.
Almost surely, 2142564068 is an apocalyptic number.
142564068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142564068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190641360).
142564068 is an abundant number, since it is smaller than the sum of its proper divisors (238718652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142564068 is a wasteful number, since it uses less digits than its factorization.
142564068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1097 (or 1092 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 142564068 is about 11940.0195979739. The cubic root of 142564068 is about 522.4002303343.
The spelling of 142564068 in words is "one hundred forty-two million, five hundred sixty-four thousand, sixty-eight".
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