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201002012310091 = 2212388657102481
BaseRepresentation
bin101101101100111101101101…
…100010101111101001001011
3222100200121022211120102112211
4231230331231202233221023
5202321204110122410331
61551255014422445551
760223626146366026
oct5554755542575113
9870617284512484
10201002012310091
1159055524923633
121a6636532938b7
138820540421c45
14378c79940c1bd
1518387cc2ea8b1
hexb6cf6d8afa4b

201002012310091 has 8 divisors (see below), whose sum is σ = 201015326727344. Its totient is φ = 200988698319360.

The previous prime is 201002012310089. The next prime is 201002012310221. The reversal of 201002012310091 is 190013210200102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201002012310091 - 21 = 201002012310089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201002012110091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961307571 + ... + 1961410051.

It is an arithmetic number, because the mean of its divisors is an integer number (25126915840918).

Almost surely, 2201002012310091 is an apocalyptic number.

201002012310091 is a deficient number, since it is larger than the sum of its proper divisors (13314417253).

201002012310091 is a wasteful number, since it uses less digits than its factorization.

201002012310091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213261.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 201002012310091 its reverse (190013210200102), we get a palindrome (391015222510193).

The spelling of 201002012310091 in words is "two hundred one trillion, two billion, twelve million, three hundred ten thousand, ninety-one".

Divisors: 1 22123 88657 102481 1961358811 2267187163 9085658017 201002012310091