Base | Representation |
---|---|
bin | 100010000010010… |
… | …0101011100111101 |
3 | 2221120222021202000 |
4 | 1010010211130331 |
5 | 4314331141134 |
6 | 305154052513 |
7 | 40205200422 |
oct | 10404453475 |
9 | 2846867660 |
10 | 1142052669 |
11 | 53672808a |
12 | 27a57a139 |
13 | 1527b5914 |
14 | ab967d49 |
15 | 6a3e0e99 |
hex | 4412573d |
1142052669 has 16 divisors (see below), whose sum is σ = 1694236800. Its totient is φ = 760330368.
The previous prime is 1142052647. The next prime is 1142052719. The reversal of 1142052669 is 9662502411.
It is not a de Polignac number, because 1142052669 - 229 = 605181757 is a prime.
It is a super-2 number, since 2×11420526692 = 2608568597540047122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142052169) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8404 + ... + 48525.
It is an arithmetic number, because the mean of its divisors is an integer number (105889800).
Almost surely, 21142052669 is an apocalyptic number.
It is an amenable number.
1142052669 is a deficient number, since it is larger than the sum of its proper divisors (552184131).
1142052669 is an equidigital number, since it uses as much as digits as its factorization.
1142052669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57681 (or 57675 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 1142052669 is about 33794.2697657458. The cubic root of 1142052669 is about 1045.2705415843.
The spelling of 1142052669 in words is "one billion, one hundred forty-two million, fifty-two thousand, six hundred sixty-nine".
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