Base | Representation |
---|---|
bin | 100110101111100… |
… | …1011111111110001 |
3 | 10100121012220212120 |
4 | 1031133023333301 |
5 | 10130301134413 |
6 | 332555544453 |
7 | 44133666240 |
oct | 11537137761 |
9 | 3317186776 |
10 | 1300021233 |
11 | 607912215 |
12 | 30345b129 |
13 | 179444844 |
14 | c4928957 |
15 | 791e6723 |
hex | 4d7cbff1 |
1300021233 has 32 divisors (see below), whose sum is σ = 2037845760. Its totient is φ = 721612800.
The previous prime is 1300021213. The next prime is 1300021237. The reversal of 1300021233 is 3321200031.
It is not a de Polignac number, because 1300021233 - 212 = 1300017137 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1300021237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720933 + ... + 722733.
It is an arithmetic number, because the mean of its divisors is an integer number (63682680).
Almost surely, 21300021233 is an apocalyptic number.
It is an amenable number.
1300021233 is a deficient number, since it is larger than the sum of its proper divisors (737824527).
1300021233 is a wasteful number, since it uses less digits than its factorization.
1300021233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2777.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1300021233 is about 36055.8072021693. The cubic root of 1300021233 is about 1091.3988249634.
Adding to 1300021233 its reverse (3321200031), we get a palindrome (4621221264).
The spelling of 1300021233 in words is "one billion, three hundred million, twenty-one thousand, two hundred thirty-three".
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