Base | Representation |
---|---|
bin | 10000111111100… |
… | …11010000110001 |
3 | 100221020111112202 |
4 | 20133303100301 |
5 | 242443213121 |
6 | 22051232545 |
7 | 3350455541 |
oct | 1037632061 |
9 | 327214482 |
10 | 142554161 |
11 | 73517062 |
12 | 3b8a8755 |
13 | 236c2a99 |
14 | 14d0b321 |
15 | c7ad40b |
hex | 87f3431 |
142554161 has 8 divisors (see below), whose sum is σ = 148873920. Its totient is φ = 136244592.
The previous prime is 142554119. The next prime is 142554199. The reversal of 142554161 is 161455241.
142554161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142554161 - 210 = 142553137 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142554101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45710 + ... + 48728.
It is an arithmetic number, because the mean of its divisors is an integer number (18609240).
Almost surely, 2142554161 is an apocalyptic number.
It is an amenable number.
142554161 is a deficient number, since it is larger than the sum of its proper divisors (6319759).
142554161 is a wasteful number, since it uses less digits than its factorization.
142554161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5095.
The product of its digits is 4800, while the sum is 29.
The square root of 142554161 is about 11939.6047254505. The cubic root of 142554161 is about 522.3881292511.
The spelling of 142554161 in words is "one hundred forty-two million, five hundred fifty-four thousand, one hundred sixty-one".
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