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201202231230 = 2335711132413089
BaseRepresentation
bin1011101101100010010…
…1100110011110111110
3201020100010111100201000
42323120211212132332
511244030232344410
6232233034031130
720351656514220
oct2733045463676
9636303440630
10201202231230
1178369461330
1232bb22784a6
1315c864150c0
149a49a32410
155378ca0dc0
hex2ed89667be

201202231230 has 512 divisors, whose sum is σ = 723611750400. Its totient is φ = 38419660800.

The previous prime is 201202231229. The next prime is 201202231309. The reversal of 201202231230 is 32132202102.

201202231230 is a `hidden beast` number, since 2 + 0 + 1 + 202 + 231 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 65133526 + ... + 65136614.

It is an arithmetic number, because the mean of its divisors is an integer number (1413304200).

Almost surely, 2201202231230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201202231230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361805875200).

201202231230 is an abundant number, since it is smaller than the sum of its proper divisors (522409519170).

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

201202231230 is a wasteful number, since it uses less digits than its factorization.

201202231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201202231230 its reverse (32132202102), we get a palindrome (233334433332).

The spelling of 201202231230 in words is "two hundred one billion, two hundred two million, two hundred thirty-one thousand, two hundred thirty".