Base | Representation |
---|---|
bin | 100101010100011… |
… | …1001001100001001 |
3 | 10020021022002002210 |
4 | 1022220321030021 |
5 | 10031032441433 |
6 | 324131415333 |
7 | 43013545653 |
oct | 11250711411 |
9 | 3207262083 |
10 | 1252233993 |
11 | 592942a2a |
12 | 2ab454549 |
13 | 16c58267a |
14 | bc4496d3 |
15 | 74e07463 |
hex | 4aa39309 |
1252233993 has 8 divisors (see below), whose sum is σ = 1669833856. Its totient is φ = 834728400.
The previous prime is 1252233937. The next prime is 1252234001. The reversal of 1252233993 is 3993322521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1252233993 - 213 = 1252225801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1252233793) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17808 + ... + 53118.
It is an arithmetic number, because the mean of its divisors is an integer number (208729232).
Almost surely, 21252233993 is an apocalyptic number.
It is an amenable number.
1252233993 is a deficient number, since it is larger than the sum of its proper divisors (417599863).
1252233993 is a wasteful number, since it uses less digits than its factorization.
1252233993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47135.
The product of its digits is 87480, while the sum is 39.
The square root of 1252233993 is about 35386.9183880145. The cubic root of 1252233993 is about 1077.8586953638.
The spelling of 1252233993 in words is "one billion, two hundred fifty-two million, two hundred thirty-three thousand, nine hundred ninety-three".
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