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210201200002001 = 1397770321640147
BaseRepresentation
bin101111110010110101000111…
…110110111000001111010001
31000120021001001001011102011202
4233302311013312320033101
5210022414024200031001
62023021033112520545
762163351455533205
oct5762650766701721
91016231031142152
10210201200002001
1160a8191251585a
121b6aa4986b0155
139039b7122b910
1439c9b14364b05
151947c3799296b
hexbf2d47db83d1

210201200002001 has 16 divisors (see below), whose sum is σ = 228733940663424. Its totient is φ = 192006609974784.

The previous prime is 210201200001997. The next prime is 210201200002007. The reversal of 210201200002001 is 100200002102012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210201200002001 - 22 = 210201200001997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210201200002007) 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, 1106591 + ... + 20533556.

It is an arithmetic number, because the mean of its divisors is an integer number (14295871291464).

Almost surely, 2210201200002001 is an apocalyptic number.

It is an amenable number.

210201200002001 is a deficient number, since it is larger than the sum of its proper divisors (18532740661423).

210201200002001 is a wasteful number, since it uses less digits than its factorization.

210201200002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647960.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210201200002001 its reverse (100200002102012), we get a palindrome (310401202104013).

The spelling of 210201200002001 in words is "two hundred ten trillion, two hundred one billion, two hundred million, two thousand, one".

Divisors: 1 13 97 1261 7703 100139 747191 9713483 21640147 281321911 2099094259 27288225367 166694052341 2167022680433 16169323077077 210201200002001