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220012220031 = 3239673297397
BaseRepresentation
bin1100110011100111000…
…0000000111001111111
3210000220000210210110220
43030321300000321333
512101041112020111
6245023333232423
721616052004552
oct3147160007177
9700800723426
10220012220031
118534118731a
1236781792713
13179933b4ca6
14a911c68699
155aca305e06
hex3339c00e7f

220012220031 has 16 divisors (see below), whose sum is σ = 306420601344. Its totient is φ = 140152519584.

The previous prime is 220012220017. The next prime is 220012220081. The reversal of 220012220031 is 130022210022.

It is a happy number.

It is not a de Polignac number, because 220012220031 - 218 = 220011957887 is a prime.

It is a super-2 number, since 2×2200122200312 (a number of 23 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012220011) 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, 1581976 + ... + 1715421.

It is an arithmetic number, because the mean of its divisors is an integer number (19151287584).

Almost surely, 2220012220031 is an apocalyptic number.

220012220031 is a deficient number, since it is larger than the sum of its proper divisors (86408381313).

220012220031 is a wasteful number, since it uses less digits than its factorization.

220012220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298390.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220012220031 its reverse (130022210022), we get a palindrome (350034430053).

The spelling of 220012220031 in words is "two hundred twenty billion, twelve million, two hundred twenty thousand, thirty-one".

Divisors: 1 3 23 69 967 2901 22241 66723 3297397 9892191 75840131 227520393 3188582899 9565748697 73337406677 220012220031