Base | Representation |
---|---|
bin | 101110110111000100000… |
… | …101010001001101000111 |
3 | 102101211221200110120120010 |
4 | 232313010011101031013 |
5 | 410230002334021411 |
6 | 10503203155041303 |
7 | 451440026146350 |
oct | 56670405211507 |
9 | 12354850416503 |
10 | 3220220220231 |
11 | 10317623aa693 |
12 | 4401252a0233 |
13 | 1a4886040721 |
14 | b1c06626d27 |
15 | 58b72e347a6 |
hex | 2edc4151347 |
3220220220231 has 32 divisors (see below), whose sum is σ = 5291247628800. Its totient is φ = 1700758149120.
The previous prime is 3220220220227. The next prime is 3220220220277. The reversal of 3220220220231 is 1320220220223.
It is not a de Polignac number, because 3220220220231 - 22 = 3220220220227 is a prime.
It is a super-4 number, since 4×32202202202314 (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 3220220220198 and 3220220220207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3220220220281) 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, 98407146 + ... + 98439863.
It is an arithmetic number, because the mean of its divisors is an integer number (165351488400).
Almost surely, 23220220220231 is an apocalyptic number.
3220220220231 is a deficient number, since it is larger than the sum of its proper divisors (2071027408569).
3220220220231 is a wasteful number, since it uses less digits than its factorization.
3220220220231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196847079.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 3220220220231 its reverse (1320220220223), we get a palindrome (4540440440454).
The spelling of 3220220220231 in words is "three trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred thirty-one".
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