Search a number
-
+
212102102110001 = 3140531168809141
BaseRepresentation
bin110000001110011111011110…
…011100111100111100110001
31000210222202121011211202102112
4300032133132130330330301
5210300040101120010001
62031034205514055105
762450604550051235
oct6016373634747461
91023882534752375
10212102102110001
1161644aa6172644
121b956984a1a495
1391471b0b3756c
143a53b218dc5c5
15197c3e0a2bcbb
hexc0e7de73cf31

212102102110001 has 8 divisors (see below), whose sum is σ = 218949508593408. Its totient is φ = 205255033326000.

The previous prime is 212102102109949. The next prime is 212102102110057. The reversal of 212102102110001 is 100011201201212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212102102110001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102102110091) 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, 83148110 + ... + 85661031.

It is an arithmetic number, because the mean of its divisors is an integer number (27368688574176).

Almost surely, 2212102102110001 is an apocalyptic number.

It is an amenable number.

212102102110001 is a deficient number, since it is larger than the sum of its proper divisors (6847406483407).

212102102110001 is a wasteful number, since it uses less digits than its factorization.

212102102110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168849703.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212102102110001 its reverse (100011201201212), we get a palindrome (312113303311213).

The spelling of 212102102110001 in words is "two hundred twelve trillion, one hundred two billion, one hundred two million, one hundred ten thousand, one".

Divisors: 1 31 40531 1256461 168809141 5233083371 6842003293871 212102102110001