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210222013 = 1327158419
BaseRepresentation
bin11001000011110…
…11101110111101
3112122120101101111
430201323232331
5412304101023
632505442021
75131600111
oct1441735675
9478511344
10210222013
11a8734a01
125a4a0311
1334725c31
141dcc3741
15136c800d
hexc87bbbd

210222013 has 4 divisors (see below), whose sum is σ = 210381760. Its totient is φ = 210062268.

The previous prime is 210222011. The next prime is 210222031. The reversal of 210222013 is 310222012.

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 210222013 - 21 = 210222011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210221984 and 210222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222011) 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, 77883 + ... + 80536.

It is an arithmetic number, because the mean of its divisors is an integer number (52595440).

Almost surely, 2210222013 is an apocalyptic number.

It is an amenable number.

210222013 is a deficient number, since it is larger than the sum of its proper divisors (159747).

210222013 is a wasteful number, since it uses less digits than its factorization.

210222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159746.

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

The square root of 210222013 is about 14499.0348989165. The cubic root of 210222013 is about 594.6015862570.

Adding to 210222013 its reverse (310222012), we get a palindrome (520444025).

Subtracting 210222013 from its reverse (310222012), we obtain a palindrome (99999999).

The spelling of 210222013 in words is "two hundred ten million, two hundred twenty-two thousand, thirteen".

Divisors: 1 1327 158419 210222013