Base | Representation |
---|---|
bin | 1001100110101111000000… |
… | …01000000111111001101010 |
3 | 2202210020212110201020001022 |
4 | 10303113200020013321222 |
5 | 10232031042242422310 |
6 | 112531210532252442 |
7 | 4310010454150040 |
oct | 463274010077152 |
9 | 82706773636038 |
10 | 21122114420330 |
11 | 6803924a35370 |
12 | 2451735471122 |
13 | ba2a64833311 |
14 | 53045c76c390 |
15 | 26967c017a55 |
hex | 1335e0207e6a |
21122114420330 has 32 divisors (see below), whose sum is σ = 47401316519040. Its totient is φ = 6583516182720.
The previous prime is 21122114420311. The next prime is 21122114420339. The reversal of 21122114420330 is 3302441122112.
It is a happy number.
It is a super-2 number, since 2×211221144203302 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 21122114420330.
It is not an unprimeable number, because it can be changed into a prime (21122114420339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13715657945 + ... + 13715659484.
It is an arithmetic number, because the mean of its divisors is an integer number (1481291141220).
Almost surely, 221122114420330 is an apocalyptic number.
21122114420330 is an abundant number, since it is smaller than the sum of its proper divisors (26279202098710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21122114420330 is a wasteful number, since it uses less digits than its factorization.
21122114420330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27431317454.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 21122114420330 its reverse (3302441122112), we get a palindrome (24424555542442).
The spelling of 21122114420330 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred fourteen million, four hundred twenty thousand, three hundred thirty".
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