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213457011 = 3420116937
BaseRepresentation
bin11001011100100…
…01100001110011
3112212122201222020
430232101201303
5414121111021
633103042523
75201232435
oct1456214163
9485581866
10213457011
11aa544459
125b5a0443
13352b9531
14204c6655
1513b167c6
hexcb91873

213457011 has 8 divisors (see below), whose sum is σ = 284693904. Its totient is φ = 142262400.

The previous prime is 213457003. The next prime is 213457061. The reversal of 213457011 is 110754312.

213457011 is digitally balanced in base 2, 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 not a de Polignac number, because 213457011 - 23 = 213457003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213457061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4135 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (35586738).

Almost surely, 2213457011 is an apocalyptic number.

213457011 is a deficient number, since it is larger than the sum of its proper divisors (71236893).

213457011 is a wasteful number, since it uses less digits than its factorization.

213457011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21141.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 213457011 is about 14610.1680688485. The cubic root of 213457011 is about 597.6360792514.

The spelling of 213457011 in words is "two hundred thirteen million, four hundred fifty-seven thousand, eleven".

Divisors: 1 3 4201 12603 16937 50811 71152337 213457011