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210220220213 = 224393722791
BaseRepresentation
bin1100001111001000011…
…0011111111100110101
3202002121121102122221222
43003302012133330311
511421012334021323
6240323540520125
721121311250253
oct3036206377465
9662547378858
10210220220213
1181176919993
12348aa3b0045
1316a92823363
14a2635ab5d3
1557058329c8
hex30f219ff35

210220220213 has 4 divisors (see below), whose sum is σ = 210313945248. Its totient is φ = 210126495180.

The previous prime is 210220220191. The next prime is 210220220251. The reversal of 210220220213 is 312022022012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210220220213 - 212 = 210220216117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210220220191 and 210220220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220220263) 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, 46859153 + ... + 46863638.

It is an arithmetic number, because the mean of its divisors is an integer number (52578486312).

Almost surely, 2210220220213 is an apocalyptic number.

It is an amenable number.

210220220213 is a deficient number, since it is larger than the sum of its proper divisors (93725035).

210220220213 is an equidigital number, since it uses as much as digits as its factorization.

210220220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93725034.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 210220220213 its reverse (312022022012), we get a palindrome (522242242225).

The spelling of 210220220213 in words is "two hundred ten billion, two hundred twenty million, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 2243 93722791 210220220213