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201012102 = 23219756687
BaseRepresentation
bin10111111101100…
…11001110000110
3112000020110202200
423332303032012
5402424341402
631540215330
74660401054
oct1376631606
9460213680
10201012102
11a3514405
125739a546
133284cb95
141c9a71d4
15129a921c
hexbfb3386

201012102 has 24 divisors (see below), whose sum is σ = 437744736. Its totient is φ = 66662736.

The previous prime is 201012101. The next prime is 201012109. The reversal of 201012102 is 201210102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24798 + ... + 31889.

It is an arithmetic number, because the mean of its divisors is an integer number (18239364).

Almost surely, 2201012102 is an apocalyptic number.

201012102 is an abundant number, since it is smaller than the sum of its proper divisors (236732634).

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

201012102 is a wasteful number, since it uses less digits than its factorization.

201012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56892 (or 56889 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201012102 is about 14177.8736769658. The cubic root of 201012102 is about 585.7883563615.

Adding to 201012102 its reverse (201210102), we get a palindrome (402222204).

The spelling of 201012102 in words is "two hundred one million, twelve thousand, one hundred two".

Divisors: 1 2 3 6 9 18 197 394 591 1182 1773 3546 56687 113374 170061 340122 510183 1020366 11167339 22334678 33502017 67004034 100506051 201012102