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211210030 = 2521121003
BaseRepresentation
bin11001001011011…
…00111100101110
3112201102120200201
430211230330232
5413032210110
632542544114
75143153453
oct1445547456
9481376621
10211210030
11a924a249
125a89803a
13349b0865
142009d82a
1513820b3a
hexc96cf2e

211210030 has 8 divisors (see below), whose sum is σ = 380178072. Its totient is φ = 84484008.

The previous prime is 211210009. The next prime is 211210067. The reversal of 211210030 is 30012112.

211210030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 21121003 = 211210030 / (2 + 1 + 1 + 2 + 1 + 0 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 211209989 and 211210016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10560492 + ... + 10560511.

It is an arithmetic number, because the mean of its divisors is an integer number (47522259).

Almost surely, 2211210030 is an apocalyptic number.

211210030 is a deficient number, since it is larger than the sum of its proper divisors (168968042).

211210030 is a wasteful number, since it uses less digits than its factorization.

211210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21121010.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211210030 is about 14533.0667789011. The cubic root of 211210030 is about 595.5316482543.

Adding to 211210030 its reverse (30012112), we get a palindrome (241222142).

The spelling of 211210030 in words is "two hundred eleven million, two hundred ten thousand, thirty".

Divisors: 1 2 5 10 21121003 42242006 105605015 211210030