Base | Representation |
---|---|
bin | 10001110000011001101… |
… | …101001111101100001101 |
3 | 11022122112222100012112200 |
4 | 101300121231033230031 |
5 | 124442433203100323 |
6 | 2332315243352113 |
7 | 154104512616414 |
oct | 21603155175415 |
9 | 4278488305480 |
10 | 1220202003213 |
11 | 430537247116 |
12 | 178597222639 |
13 | 8b0aba9b66b |
14 | 430b559447b |
15 | 21b18559443 |
hex | 11c19b4fb0d |
1220202003213 has 12 divisors (see below), whose sum is σ = 1768255096608. Its totient is φ = 810818267400.
The previous prime is 1220202003187. The next prime is 1220202003227. The reversal of 1220202003213 is 3123002020221.
1220202003213 is a `hidden beast` number, since 122 + 0 + 20 + 200 + 321 + 3 = 666.
It is not a de Polignac number, because 1220202003213 - 212 = 1220201999117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220202003283) 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, 220808313 + ... + 220813838.
It is an arithmetic number, because the mean of its divisors is an integer number (147354591384).
Almost surely, 21220202003213 is an apocalyptic number.
It is an amenable number.
1220202003213 is a deficient number, since it is larger than the sum of its proper divisors (548053093395).
1220202003213 is a wasteful number, since it uses less digits than its factorization.
1220202003213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441622464 (or 441622461 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 1220202003213 its reverse (3123002020221), we get a palindrome (4343204023434).
The spelling of 1220202003213 in words is "one trillion, two hundred twenty billion, two hundred two million, three thousand, two hundred thirteen".
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