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210143012 = 2264781199
BaseRepresentation
bin11001000011010…
…00011100100100
3112122102101000112
430201220130210
5412244034022
632504032152
75131120562
oct1441503444
9478371015
10210143012
11a8690612
125a462658
13346c8ca1
141dca2a32
15136ae8e2
hexc868724

210143012 has 12 divisors (see below), whose sum is σ = 368323200. Its totient is φ = 104907816.

The previous prime is 210143009. The next prime is 210143029. The reversal of 210143012 is 210341012.

It is a super-3 number, since 3×2101430123 (a number of 26 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38012 + ... + 43187.

It is an arithmetic number, because the mean of its divisors is an integer number (30693600).

Almost surely, 2210143012 is an apocalyptic number.

It is an amenable number.

210143012 is a deficient number, since it is larger than the sum of its proper divisors (158180188).

210143012 is a wasteful number, since it uses less digits than its factorization.

210143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81850 (or 81848 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210143012 is about 14496.3102891736. The cubic root of 210143012 is about 594.5270935739.

Adding to 210143012 its reverse (210341012), we get a palindrome (420484024).

The spelling of 210143012 in words is "two hundred ten million, one hundred forty-three thousand, twelve".

Divisors: 1 2 4 647 1294 2588 81199 162398 324796 52535753 105071506 210143012