Base | Representation |
---|---|
bin | 110010010100010111101111… |
… | …001000111101111110011110 |
3 | 1002000120021122221221211112011 |
4 | 302110113233020331332132 |
5 | 213001303402210011110 |
6 | 2102400454512301434 |
7 | 64420361604102430 |
oct | 6224275710757636 |
9 | 1060507587854464 |
10 | 221302202032030 |
11 | 6457181178a859 |
12 | 209a1a2384187a |
13 | 9663928930582 |
14 | 3c91125a76650 |
15 | 1a8b8a131948a |
hex | c945ef23df9e |
221302202032030 has 64 divisors (see below), whose sum is σ = 455581538754048. Its totient is φ = 75819837985920.
The previous prime is 221302202032027. The next prime is 221302202032039. The reversal of 221302202032030 is 30230202203122.
It is a super-2 number, since 2×2213022020320302 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 221302202031992 and 221302202032010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221302202032039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840640704 + ... + 840903916.
It is an arithmetic number, because the mean of its divisors is an integer number (7118461543032).
Almost surely, 2221302202032030 is an apocalyptic number.
221302202032030 is an abundant number, since it is smaller than the sum of its proper divisors (234279336722018).
221302202032030 is a wasteful number, since it uses less digits than its factorization.
221302202032030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271921.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 221302202032030 its reverse (30230202203122), we get a palindrome (251532404235152).
The spelling of 221302202032030 in words is "two hundred twenty-one trillion, three hundred two billion, two hundred two million, thirty-two thousand, thirty".
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