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201003002221 = 7177012409559
BaseRepresentation
bin1011101100110010110…
…1100110100101101101
3201012211020121110212211
42323030231212211231
511243123232032341
6232201155530421
720344020220510
oct2731455464555
9635736543784
10201003002221
1178276a5565a
1232b575b9a11
1315c5406aa08
149a2b3b0d77
15536654a181
hex2eccb6696d

201003002221 has 16 divisors (see below), whose sum is σ = 243577601280. Its totient is φ = 161922297600.

The previous prime is 201003002197. The next prime is 201003002243. The reversal of 201003002221 is 122200300102.

It is not a de Polignac number, because 201003002221 - 223 = 200994613613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201003002251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121361 + ... + 1288198.

It is an arithmetic number, because the mean of its divisors is an integer number (15223600080).

Almost surely, 2201003002221 is an apocalyptic number.

It is an amenable number.

201003002221 is a deficient number, since it is larger than the sum of its proper divisors (42574599059).

201003002221 is a wasteful number, since it uses less digits than its factorization.

201003002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410284.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 201003002221 its reverse (122200300102), we get a palindrome (323203302323).

The spelling of 201003002221 in words is "two hundred one billion, three million, two thousand, two hundred twenty-one".

Divisors: 1 7 17 119 701 4907 11917 83419 2409559 16866913 40962503 286737521 1689100859 11823706013 28714714603 201003002221