Base | Representation |
---|---|
bin | 10000111100100… |
… | …00110110000001 |
3 | 100220111000120101 |
4 | 20132100312001 |
5 | 242342313131 |
6 | 22034442401 |
7 | 3344156344 |
oct | 1036206601 |
9 | 326430511 |
10 | 142151041 |
11 | 732711aa |
12 | 3b733401 |
13 | 235b1456 |
14 | 14c4445b |
15 | c72dc61 |
hex | 8790d81 |
142151041 has 4 divisors (see below), whose sum is σ = 142184772. Its totient is φ = 142117312.
The previous prime is 142151033. The next prime is 142151047. The reversal of 142151041 is 140151241.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 49914225 + 92236816 = 7065^2 + 9604^2 .
It is a cyclic number.
It is not a de Polignac number, because 142151041 - 23 = 142151033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142151047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9460 + ... + 19333.
It is an arithmetic number, because the mean of its divisors is an integer number (35546193).
Almost surely, 2142151041 is an apocalyptic number.
It is an amenable number.
142151041 is a deficient number, since it is larger than the sum of its proper divisors (33731).
142151041 is an equidigital number, since it uses as much as digits as its factorization.
142151041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33730.
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 142151041 is about 11922.7111430245. The cubic root of 142151041 is about 521.8952547913.
The spelling of 142151041 in words is "one hundred forty-two million, one hundred fifty-one thousand, forty-one".
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