Base | Representation |
---|---|
bin | 10001000001000… |
… | …11011010001011 |
3 | 100221121112001211 |
4 | 20200203122023 |
5 | 243021020441 |
6 | 22055353551 |
7 | 3352236520 |
oct | 1040433213 |
9 | 327545054 |
10 | 142751371 |
11 | 73641244 |
12 | 3b9828b7 |
13 | 23761789 |
14 | 14d5d147 |
15 | c7eba81 |
hex | 882368b |
142751371 has 4 divisors (see below), whose sum is σ = 163144432. Its totient is φ = 122358312.
The previous prime is 142751359. The next prime is 142751383. The reversal of 142751371 is 173157241.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (142751359) and next prime (142751383).
It is a cyclic number.
It is not a de Polignac number, because 142751371 - 27 = 142751243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142751321) 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, 10196520 + ... + 10196533.
It is an arithmetic number, because the mean of its divisors is an integer number (40786108).
Almost surely, 2142751371 is an apocalyptic number.
142751371 is a deficient number, since it is larger than the sum of its proper divisors (20393061).
142751371 is an equidigital number, since it uses as much as digits as its factorization.
142751371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20393060.
The product of its digits is 5880, while the sum is 31.
The square root of 142751371 is about 11947.8605197751. The cubic root of 142751371 is about 522.6289095331.
The spelling of 142751371 in words is "one hundred forty-two million, seven hundred fifty-one thousand, three hundred seventy-one".
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