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220013031001 = 733013877137
BaseRepresentation
bin1100110011100111001…
…1000110111001011001
3210000220002022222220211
43030321303012321121
512101041313443001
6245023402451121
721616061623111
oct3147163067131
9700802288824
10220013031001
1185341690645
1236781b03aa1
131799360a15a
14a911dda041
155aca416351
hex3339cc6e59

220013031001 has 4 divisors (see below), whose sum is σ = 223026908212. Its totient is φ = 216999153792.

The previous prime is 220013030977. The next prime is 220013031023. The reversal of 220013031001 is 100130310022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100130310022 = 250065155011.

It can be written as a sum of positive squares in 2 ways, for example, as 146842240000 + 73170791001 = 383200^2 + 270501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220013031001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220013031101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506938496 + ... + 1506938641.

It is an arithmetic number, because the mean of its divisors is an integer number (55756727053).

Almost surely, 2220013031001 is an apocalyptic number.

It is an amenable number.

220013031001 is a deficient number, since it is larger than the sum of its proper divisors (3013877211).

220013031001 is an equidigital number, since it uses as much as digits as its factorization.

220013031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013877210.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 220013031001 its reverse (100130310022), we get a palindrome (320143341023).

The spelling of 220013031001 in words is "two hundred twenty billion, thirteen million, thirty-one thousand, one".

Divisors: 1 73 3013877137 220013031001