Search a number
-
+
201010012120221 = 3173941372786671
BaseRepresentation
bin101101101101000101001010…
…010111100110010010011101
3222100201100222100121212222220
4231231011022113212102131
5202321322001100321341
61551302420314255553
760224331325555443
oct5555051227462235
9870640870555886
10201010012120221
115905895a581367
121a6651064275b9
1388212168c97c5
14378cd17a66b93
151838ae97a9a66
hexb6d14a5e649d

201010012120221 has 8 divisors (see below), whose sum is σ = 283778840640384. Its totient is φ = 126123929173440.

The previous prime is 201010012120063. The next prime is 201010012120237. The reversal of 201010012120221 is 122021210010102.

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

It is not a de Polignac number, because 201010012120221 - 214 = 201010012103837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201010012120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010012120921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970686393285 + ... + 1970686393386.

It is an arithmetic number, because the mean of its divisors is an integer number (35472355080048).

Almost surely, 2201010012120221 is an apocalyptic number.

It is an amenable number.

201010012120221 is a deficient number, since it is larger than the sum of its proper divisors (82768828520163).

201010012120221 is a wasteful number, since it uses less digits than its factorization.

201010012120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941372786691.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201010012120221 its reverse (122021210010102), we get a palindrome (323031222130323).

The spelling of 201010012120221 in words is "two hundred one trillion, ten billion, twelve million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 17 51 3941372786671 11824118360013 67003337373407 201010012120221