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201012030 = 235582721
BaseRepresentation
bin10111111101100…
…11001100111110
3112000020110200000
423332303030332
5402424341110
631540215130
74660400622
oct1376631476
9460213600
10201012030
11a351434a
125739a4a6
133284cb3b
141c9a7182
15129a91c0
hexbfb333e

201012030 has 48 divisors (see below), whose sum is σ = 541994544. Its totient is φ = 53602560.

The previous prime is 201011983. The next prime is 201012047. The reversal of 201012030 is 30210102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38931 + ... + 43790.

It is an arithmetic number, because the mean of its divisors is an integer number (11291553).

Almost surely, 2201012030 is an apocalyptic number.

201012030 is an abundant number, since it is smaller than the sum of its proper divisors (340982514).

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

201012030 is an equidigital number, since it uses as much as digits as its factorization.

201012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82743 (or 82731 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 201012030 is about 14177.8711377978. The cubic root of 201012030 is about 585.7882864208.

Adding to 201012030 its reverse (30210102), we get a palindrome (231222132).

The spelling of 201012030 in words is "two hundred one million, twelve thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 82721 165442 248163 413605 496326 744489 827210 1240815 1488978 2233467 2481630 3722445 4466934 6700401 7444890 11167335 13400802 20101203 22334670 33502005 40202406 67004010 100506015 201012030