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21301333122 = 233795951951
BaseRepresentation
bin10011110101101010…
…001000110010000010
32000222112012211200210
4103311222020302002
5322111120124442
613441413254550
71352603226006
oct236552106202
960875184623
1021301333122
119041057943
124165934456
13201618b634
141061072706
1584a12119c
hex4f5a88c82

21301333122 has 16 divisors (see below), whose sum is σ = 43754090112. Its totient is φ = 6908540400.

The previous prime is 21301333103. The next prime is 21301333127. The reversal of 21301333122 is 22133310312.

It is not an unprimeable number, because it can be changed into a prime (21301333127) 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, 47975754 + ... + 47976197.

It is an arithmetic number, because the mean of its divisors is an integer number (2734630632).

Almost surely, 221301333122 is an apocalyptic number.

21301333122 is an abundant number, since it is smaller than the sum of its proper divisors (22452756990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21301333122 is a wasteful number, since it uses less digits than its factorization.

21301333122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95951993.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21301333122 its reverse (22133310312), we get a palindrome (43434643434).

The spelling of 21301333122 in words is "twenty-one billion, three hundred one million, three hundred thirty-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 95951951 191903902 287855853 575711706 3550222187 7100444374 10650666561 21301333122