Base | Representation |
---|---|
bin | 1111110111010… |
… | …00010010010111 |
3 | 100021101202111110 |
4 | 13323220102113 |
5 | 233031301043 |
6 | 21112110103 |
7 | 3204044040 |
oct | 773502227 |
9 | 307352443 |
10 | 133072023 |
11 | 6912aa87 |
12 | 38695333 |
13 | 21752b56 |
14 | 1395d8c7 |
15 | ba38b33 |
hex | 7ee8497 |
133072023 has 8 divisors (see below), whose sum is σ = 202776448. Its totient is φ = 76041144.
The previous prime is 133072021. The next prime is 133072033. The reversal of 133072023 is 320270331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 133072023 - 21 = 133072021 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6336763 = 133072023 / (1 + 3 + 3 + 0 + 7 + 2 + 0 + 2 + 3).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133072021) 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, 3168361 + ... + 3168402.
It is an arithmetic number, because the mean of its divisors is an integer number (25347056).
Almost surely, 2133072023 is an apocalyptic number.
133072023 is a deficient number, since it is larger than the sum of its proper divisors (69704425).
133072023 is an equidigital number, since it uses as much as digits as its factorization.
133072023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6336773.
The product of its (nonzero) digits is 756, while the sum is 21.
The square root of 133072023 is about 11535.6847651104. The cubic root of 133072023 is about 510.5389957111.
The spelling of 133072023 in words is "one hundred thirty-three million, seventy-two thousand, twenty-three".
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