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13320012112 = 241175681887
BaseRepresentation
bin11000110011110111…
…10100000101010000
31021101021221201112221
430121323310011100
5204234410341422
610041422030424
7651040143361
oct143173640520
937337851487
1013320012112
115715888280
1226b8a18414
131343788594
1490506bb68
1552e5b53c7
hex319ef4150

13320012112 has 20 divisors (see below), whose sum is σ = 28153662336. Its totient is φ = 6054550880.

The previous prime is 13320012107. The next prime is 13320012119. The reversal of 13320012112 is 21121002331.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320012119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37840768 + ... + 37841119.

Almost surely, 213320012112 is an apocalyptic number.

It is an amenable number.

13320012112 is an abundant number, since it is smaller than the sum of its proper divisors (14833650224).

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

13320012112 is a wasteful number, since it uses less digits than its factorization.

13320012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75681906 (or 75681900 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13320012112 its reverse (21121002331), we get a palindrome (34441014443).

The spelling of 13320012112 in words is "thirteen billion, three hundred twenty million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 75681887 151363774 302727548 605455096 832500757 1210910192 1665001514 3330003028 6660006056 13320012112