Base | Representation |
---|---|
bin | 100100011101010… |
… | …1001000011001101 |
3 | 10011020220201002021 |
4 | 1020322221003031 |
5 | 10001133111140 |
6 | 321220130141 |
7 | 42213102505 |
oct | 11072510315 |
9 | 3136821067 |
10 | 1223332045 |
11 | 5785a2521 |
12 | 2a1836951 |
13 | 1665a3420 |
14 | b8684a05 |
15 | 725e8b4a |
hex | 48ea90cd |
1223332045 has 8 divisors (see below), whose sum is σ = 1580921496. Its totient is φ = 903383616.
The previous prime is 1223332039. The next prime is 1223332057. The reversal of 1223332045 is 5402333221.
It can be written as a sum of positive squares in 4 ways, for example, as 39765636 + 1183566409 = 6306^2 + 34403^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1223332045 - 221 = 1221234893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9410182 + ... + 9410311.
It is an arithmetic number, because the mean of its divisors is an integer number (197615187).
Almost surely, 21223332045 is an apocalyptic number.
It is an amenable number.
1223332045 is a deficient number, since it is larger than the sum of its proper divisors (357589451).
1223332045 is a wasteful number, since it uses less digits than its factorization.
1223332045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18820511.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 1223332045 is about 34976.1639548993. The cubic root of 1223332045 is about 1069.5016297921.
Adding to 1223332045 its reverse (5402333221), we get a palindrome (6625665266).
The spelling of 1223332045 in words is "one billion, two hundred twenty-three million, three hundred thirty-two thousand, forty-five".
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