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212013003 = 3611158541
BaseRepresentation
bin11001010001100…
…00111111001011
3112202221101011110
430220300333023
5413233404003
633012101403
75153036466
oct1450607713
9482841143
10212013003
11a9748564
125b004863
1334c021a7
142022c2dd
151392da03
hexca30fcb

212013003 has 8 divisors (see below), whose sum is σ = 287318416. Its totient is φ = 139024800.

The previous prime is 212012989. The next prime is 212013007. The reversal of 212013003 is 300310212.

It is a happy number.

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

It is not a de Polignac number, because 212013003 - 24 = 212012987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212013003.

It is not an unprimeable number, because it can be changed into a prime (212013007) 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, 579088 + ... + 579453.

It is an arithmetic number, because the mean of its divisors is an integer number (35914802).

Almost surely, 2212013003 is an apocalyptic number.

212013003 is a deficient number, since it is larger than the sum of its proper divisors (75305413).

212013003 is a wasteful number, since it uses less digits than its factorization.

212013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158605.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 212013003 is about 14560.6662965676. Note that the first 3 decimals coincide. The cubic root of 212013003 is about 596.2853863119.

Adding to 212013003 its reverse (300310212), we get a palindrome (512323215).

The spelling of 212013003 in words is "two hundred twelve million, thirteen thousand, three".

Divisors: 1 3 61 183 1158541 3475623 70671001 212013003