Base | Representation |
---|---|
bin | 10001000000101… |
… | …11010111110001 |
3 | 100221112000102200 |
4 | 20200113113301 |
5 | 243012431230 |
6 | 22054333413 |
7 | 3351643002 |
oct | 1040272761 |
9 | 327460380 |
10 | 142702065 |
11 | 736081a0 |
12 | 3b95a269 |
13 | 237451bc |
14 | 14d491a9 |
15 | c7dc160 |
hex | 88175f1 |
142702065 has 48 divisors (see below), whose sum is σ = 284057280. Its totient is φ = 65543040.
The previous prime is 142702057. The next prime is 142702067. The reversal of 142702065 is 560207241.
It is not a de Polignac number, because 142702065 - 23 = 142702057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142702067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1819 + ... + 16991.
It is an arithmetic number, because the mean of its divisors is an integer number (5917860).
Almost surely, 2142702065 is an apocalyptic number.
142702065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142702065 is a deficient number, since it is larger than the sum of its proper divisors (141355215).
142702065 is a wasteful number, since it uses less digits than its factorization.
142702065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15214 (or 15211 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 142702065 is about 11945.7969596005. The cubic root of 142702065 is about 522.5687309905.
It can be divided in two parts, 142 and 702065, that added together give a palindrome (702207).
The spelling of 142702065 in words is "one hundred forty-two million, seven hundred two thousand, sixty-five".
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