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13222433142 = 233244859873
BaseRepresentation
bin11000101000001111…
…00101000101110110
31021010111100012101000
430110013211011312
5204034420330032
610024014344130
7645443553522
oct142407450566
937114305330
1013222433142
11567579a7a6
1226901bb046
1313294b1a49
148d610ad82
15525c3ce7c
hex3141e5176

13222433142 has 16 divisors (see below), whose sum is σ = 29383184880. Its totient is φ = 4407477696.

The previous prime is 13222433123. The next prime is 13222433149. The reversal of 13222433142 is 24133422231.

13222433142 is a `hidden beast` number, since 1 + 3 + 222 + 433 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222433149) 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, 122429883 + ... + 122429990.

It is an arithmetic number, because the mean of its divisors is an integer number (1836449055).

Almost surely, 213222433142 is an apocalyptic number.

13222433142 is an abundant number, since it is smaller than the sum of its proper divisors (16160751738).

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

13222433142 is a wasteful number, since it uses less digits than its factorization.

13222433142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244859884 (or 244859878 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 13222433142 its reverse (24133422231), we get a palindrome (37355855373).

The spelling of 13222433142 in words is "thirteen billion, two hundred twenty-two million, four hundred thirty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 244859873 489719746 734579619 1469159238 2203738857 4407477714 6611216571 13222433142