Base | Representation |
---|---|
bin | 100000001100010010100… |
… | …110110110000010010011 |
3 | 21211111010102211121221011 |
4 | 200030102212312002103 |
5 | 242221111401031011 |
6 | 4412140251111351 |
7 | 315553611355510 |
oct | 40142246660223 |
9 | 7744112747834 |
10 | 2212220330131 |
11 | 783219781979 |
12 | 2b88b0142557 |
13 | 1307c456cb06 |
14 | 79101944307 |
15 | 3c8291e5621 |
hex | 203129b6093 |
2212220330131 has 32 divisors (see below), whose sum is σ = 2596872960000. Its totient is φ = 1845584237952.
The previous prime is 2212220330129. The next prime is 2212220330153. The reversal of 2212220330131 is 1310330222122.
It is not a de Polignac number, because 2212220330131 - 21 = 2212220330129 is a prime.
It is a super-2 number, since 2×22122203301312 (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 (2212220330171) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11781420 + ... + 11967718.
It is an arithmetic number, because the mean of its divisors is an integer number (81152280000).
Almost surely, 22212220330131 is an apocalyptic number.
2212220330131 is a deficient number, since it is larger than the sum of its proper divisors (384652629869).
2212220330131 is a wasteful number, since it uses less digits than its factorization.
2212220330131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186691.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2212220330131 its reverse (1310330222122), we get a palindrome (3522550552253).
The spelling of 2212220330131 in words is "two trillion, two hundred twelve billion, two hundred twenty million, three hundred thirty thousand, one hundred thirty-one".
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