Base | Representation |
---|---|
bin | 111100111111010… |
… | …001101010111101 |
3 | 2122022100222112100 |
4 | 330333101222331 |
5 | 4043421023123 |
6 | 245311055313 |
7 | 34233141615 |
oct | 7477215275 |
9 | 2568328470 |
10 | 1023220413 |
11 | 485643706 |
12 | 246811539 |
13 | 133caa387 |
14 | 99c73a45 |
15 | 5ec6b643 |
hex | 3cfd1abd |
1023220413 has 12 divisors (see below), whose sum is σ = 1479526048. Its totient is φ = 681435720.
The previous prime is 1023220351. The next prime is 1023220417. The reversal of 1023220413 is 3140223201.
1023220413 is a `hidden beast` number, since 1 + 0 + 232 + 20 + 413 = 666.
It is not a de Polignac number, because 1023220413 - 210 = 1023219389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023220417) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50083 + ... + 67488.
Almost surely, 21023220413 is an apocalyptic number.
It is an amenable number.
1023220413 is a deficient number, since it is larger than the sum of its proper divisors (456305635).
1023220413 is a wasteful number, since it uses less digits than its factorization.
1023220413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118544 (or 118541 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1023220413 is about 31987.8166338373. The cubic root of 1023220413 is about 1007.6809890210.
Adding to 1023220413 its reverse (3140223201), we get a palindrome (4163443614).
The spelling of 1023220413 in words is "one billion, twenty-three million, two hundred twenty thousand, four hundred thirteen".
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