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210081012 = 223113154927
BaseRepresentation
bin11001000010110…
…01010011110100
3112122022012222020
430201121103310
5412240043022
632502433140
75130442041
oct1441312364
9478265866
10210081012
11a8648a79
125a4327b0
13346a69bb
141dc881c8
151369b35c
hexc8594f4

210081012 has 24 divisors (see below), whose sum is σ = 494530176. Its totient is φ = 69406848.

The previous prime is 210080999. The next prime is 210081031. The reversal of 210081012 is 210180012.

It is a junction number, because it is equal to n+sod(n) for n = 210080982 and 210081000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76108 + ... + 78819.

It is an arithmetic number, because the mean of its divisors is an integer number (20605424).

Almost surely, 2210081012 is an apocalyptic number.

It is an amenable number.

210081012 is an abundant number, since it is smaller than the sum of its proper divisors (284449164).

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

210081012 is a wasteful number, since it uses less digits than its factorization.

210081012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155047 (or 155045 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 210081012 is about 14494.1716562210. The cubic root of 210081012 is about 594.4686186253.

The spelling of 210081012 in words is "two hundred ten million, eighty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 154927 309854 464781 619708 929562 1859124 17506751 35013502 52520253 70027004 105040506 210081012