Search a number
-
+
20100104211 = 311609094067
BaseRepresentation
bin10010101110000011…
…110100000000010011
31220212210220002102010
4102232003310000103
5312131111313321
613122302554003
71311046031625
oct225603640023
956783802363
1020100104211
118584a91880
123a8b598903
131b843569b5
14d89702c15
157c9941676
hex4ae0f4013

20100104211 has 8 divisors (see below), whose sum is σ = 29236515264. Its totient is φ = 12181881320.

The previous prime is 20100104209. The next prime is 20100104239. The reversal of 20100104211 is 11240100102.

It is a happy number.

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 20100104211 - 21 = 20100104209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20100104261) 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, 304547001 + ... + 304547066.

It is an arithmetic number, because the mean of its divisors is an integer number (3654564408).

Almost surely, 220100104211 is an apocalyptic number.

20100104211 is a deficient number, since it is larger than the sum of its proper divisors (9136411053).

20100104211 is a wasteful number, since it uses less digits than its factorization.

20100104211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609094081.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100104211 its reverse (11240100102), we get a palindrome (31340204313).

The spelling of 20100104211 in words is "twenty billion, one hundred million, one hundred four thousand, two hundred eleven".

Divisors: 1 3 11 33 609094067 1827282201 6700034737 20100104211