Base | Representation |
---|---|
bin | 10001110010011101111… |
… | …011000000011100110001 |
3 | 11022212021120021110000221 |
4 | 101302131323000130301 |
5 | 130012004033001223 |
6 | 2333323323213041 |
7 | 154213466200201 |
oct | 21623573003461 |
9 | 4285246243027 |
10 | 1222420203313 |
11 | 431475377741 |
12 | 178ab6077181 |
13 | 8b3735030ba |
14 | 4324600c401 |
15 | 21be816db5d |
hex | 11c9dec0731 |
1222420203313 has 8 divisors (see below), whose sum is σ = 1229477266080. Its totient is φ = 1215365673120.
The previous prime is 1222420203283. The next prime is 1222420203349. The reversal of 1222420203313 is 3133020242221.
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 1222420203313 - 213 = 1222420195121 is a prime.
It is a super-2 number, since 2×12224202033132 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1222420203713) 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, 339298 + ... + 1599988.
It is an arithmetic number, because the mean of its divisors is an integer number (153684658260).
Almost surely, 21222420203313 is an apocalyptic number.
It is an amenable number.
1222420203313 is a deficient number, since it is larger than the sum of its proper divisors (7057062767).
1222420203313 is a wasteful number, since it uses less digits than its factorization.
1222420203313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1266287.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 1222420203313 its reverse (3133020242221), we get a palindrome (4355440445534).
The spelling of 1222420203313 in words is "one trillion, two hundred twenty-two billion, four hundred twenty million, two hundred three thousand, three hundred thirteen".
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