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20132212241 = 131915263239
BaseRepresentation
bin10010101111111110…
…010010111000010001
31220222001022100100102
4102233332102320101
5312212321242431
613125411102145
71311615660221
oct225776227021
956861270312
1020132212241
1185a1122039
123a9a2a1955
131b8abb932b
14d8daa0081
157cc684dcb
hex4aff92e11

20132212241 has 4 divisors (see below), whose sum is σ = 20147476800. Its totient is φ = 20116947684.

The previous prime is 20132212229. The next prime is 20132212291. The reversal of 20132212241 is 14221223102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20132212241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20132212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7630301 + ... + 7632938.

It is an arithmetic number, because the mean of its divisors is an integer number (5036869200).

Almost surely, 220132212241 is an apocalyptic number.

It is an amenable number.

20132212241 is a deficient number, since it is larger than the sum of its proper divisors (15264559).

20132212241 is a wasteful number, since it uses less digits than its factorization.

20132212241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15264558.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20132212241 its reverse (14221223102), we get a palindrome (34353435343).

The spelling of 20132212241 in words is "twenty billion, one hundred thirty-two million, two hundred twelve thousand, two hundred forty-one".

Divisors: 1 1319 15263239 20132212241