Base | Representation |
---|---|
bin | 100100011101010… |
… | …1100001101101001 |
3 | 10011020221100212010 |
4 | 1020322230031221 |
5 | 10001134020001 |
6 | 321220310133 |
7 | 42213155334 |
oct | 11072541551 |
9 | 3136840763 |
10 | 1223345001 |
11 | 57860122a |
12 | 2a1842349 |
13 | 1665a92a8 |
14 | b868961b |
15 | 725ec8d6 |
hex | 48eac369 |
1223345001 has 8 divisors (see below), whose sum is σ = 1716975520. Its totient is φ = 772638912.
The previous prime is 1223344987. The next prime is 1223345009. The reversal of 1223345001 is 1005433221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1223345001 - 26 = 1223344937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1223345009) 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, 10731040 + ... + 10731153.
It is an arithmetic number, because the mean of its divisors is an integer number (214621940).
Almost surely, 21223345001 is an apocalyptic number.
It is an amenable number.
1223345001 is a deficient number, since it is larger than the sum of its proper divisors (493630519).
1223345001 is a wasteful number, since it uses less digits than its factorization.
1223345001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21462215.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 1223345001 is about 34976.3491662580. The cubic root of 1223345001 is about 1069.5054053858.
Adding to 1223345001 its reverse (1005433221), we get a palindrome (2228778222).
The spelling of 1223345001 in words is "one billion, two hundred twenty-three million, three hundred forty-five thousand, one".
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