Base | Representation |
---|---|
bin | 1111101111001… |
… | …10011001001001 |
3 | 100012102002110222 |
4 | 13313212121021 |
5 | 232244000224 |
6 | 21033315425 |
7 | 3162054251 |
oct | 767463111 |
9 | 305362428 |
10 | 132015689 |
11 | 68579383 |
12 | 38265b75 |
13 | 214730c0 |
14 | 13766961 |
15 | b8cab5e |
hex | 7de6649 |
132015689 has 4 divisors (see below), whose sum is σ = 142170756. Its totient is φ = 121860624.
The previous prime is 132015683. The next prime is 132015749. The reversal of 132015689 is 986510231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986510231 = 7 ⋅140930033.
It can be written as a sum of positive squares in 2 ways, for example, as 84640000 + 47375689 = 9200^2 + 6883^2 .
It is a cyclic number.
It is not a de Polignac number, because 132015689 - 24 = 132015673 is a prime.
It is not an unprimeable number, because it can be changed into a prime (132015683) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5077514 + ... + 5077539.
It is an arithmetic number, because the mean of its divisors is an integer number (35542689).
Almost surely, 2132015689 is an apocalyptic number.
It is an amenable number.
132015689 is a deficient number, since it is larger than the sum of its proper divisors (10155067).
132015689 is a wasteful number, since it uses less digits than its factorization.
132015689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10155066.
The product of its (nonzero) digits is 12960, while the sum is 35.
The square root of 132015689 is about 11489.8080488753. The cubic root of 132015689 is about 509.1845085892.
The spelling of 132015689 in words is "one hundred thirty-two million, fifteen thousand, six hundred eighty-nine".
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