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211210002 = 23211733889
BaseRepresentation
bin11001001011011…
…00111100010010
3112201102120122200
430211230330102
5413032210002
632542544030
75143153413
oct1445547422
9481376580
10211210002
11a924a223
125a898016
13349b0843
142009d80a
1513820b1c
hexc96cf12

211210002 has 12 divisors (see below), whose sum is σ = 457621710. Its totient is φ = 70403328.

The previous prime is 211210001. The next prime is 211210003. The reversal of 211210002 is 200012112.

211210002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211210001) and next prime (211210003).

It can be written as a sum of positive squares in only one way, i.e., 131125401 + 80084601 = 11451^2 + 8949^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (211210001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5866927 + ... + 5866962.

Almost surely, 2211210002 is an apocalyptic number.

211210002 is an abundant number, since it is smaller than the sum of its proper divisors (246411708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211210002 is a wasteful number, since it uses less digits than its factorization.

211210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11733897 (or 11733894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 211210002 is about 14533.0658155807. The cubic root of 211210002 is about 595.5316219379.

Adding to 211210002 its reverse (200012112), we get a palindrome (411222114).

The spelling of 211210002 in words is "two hundred eleven million, two hundred ten thousand, two".

Divisors: 1 2 3 6 9 18 11733889 23467778 35201667 70403334 105605001 211210002