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220100030221 = 571934341257
BaseRepresentation
bin1100110011111011111…
…0111110111100001101
3210001010011001000102011
43030332332332330031
512101231101431341
6245040151301221
721621166250131
oct3147676767415
9701104030364
10220100030221
1185386802425
12367a707a811
13179a864b296
14a91d7a53c1
155ad2d9db81
hex333efbef0d

220100030221 has 8 divisors (see below), whose sum is σ = 220514438144. Its totient is φ = 219685724640.

The previous prime is 220100030203. The next prime is 220100030243. The reversal of 220100030221 is 122030001022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220100030221 is a prime.

It is a super-2 number, since 2×2201000302212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100030201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5314225 + ... + 5355481.

It is an arithmetic number, because the mean of its divisors is an integer number (27564304768).

Almost surely, 2220100030221 is an apocalyptic number.

It is an amenable number.

220100030221 is a deficient number, since it is larger than the sum of its proper divisors (414407923).

220100030221 is an equidigital number, since it uses as much as digits as its factorization.

220100030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51171.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220100030221 its reverse (122030001022), we get a palindrome (342130031243).

The spelling of 220100030221 in words is "two hundred twenty billion, one hundred million, thirty thousand, two hundred twenty-one".

Divisors: 1 571 9343 41257 5334853 23557747 385464151 220100030221