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13142244012 = 2232937765069
BaseRepresentation
bin11000011110101011…
…01011101010101100
31020220220110011120020
430033111223222230
5203403403302022
610012031522140
7643451142132
oct141725535254
936826404506
1013142244012
1156344aa497
122669389350
1313159b6561
148c95d5752
1551db9d35c
hex30f56baac

13142244012 has 24 divisors (see below), whose sum is σ = 31722658800. Its totient is φ = 4229687616.

The previous prime is 13142243993. The next prime is 13142244013. The reversal of 13142244012 is 21044224131.

It is a super-2 number, since 2×131422440122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13142244013) 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 7 ways as a sum of consecutive naturals, for example, 18882187 + ... + 18882882.

It is an arithmetic number, because the mean of its divisors is an integer number (1321777450).

Almost surely, 213142244012 is an apocalyptic number.

13142244012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13142244012 is an abundant number, since it is smaller than the sum of its proper divisors (18580414788).

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

13142244012 is a wasteful number, since it uses less digits than its factorization.

13142244012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37765105 (or 37765103 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13142244012 its reverse (21044224131), we get a palindrome (34186468143).

The spelling of 13142244012 in words is "thirteen billion, one hundred forty-two million, two hundred forty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 37765069 75530138 113295207 151060276 226590414 453180828 1095187001 2190374002 3285561003 4380748004 6571122006 13142244012