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1320442324012 = 22759723789623
BaseRepresentation
bin10011001101110000011…
…111101110010000101100
311200020021220012002221201
4103031300133232100230
5133113231213332022
62450334113335244
7164253535364560
oct23156037562054
94606256162851
101320442324012
11469aa62a4849
12193ab1567524
1397695311c56
1447ca44d16a0
1524533915127
hex133707ee42c

1320442324012 has 24 divisors (see below), whose sum is σ = 2640932211456. Its totient is φ = 565893661008.

The previous prime is 1320442324001. The next prime is 1320442324073. The reversal of 1320442324012 is 2104232440231.

It is a super-2 number, since 2×13204423240122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277433 + ... + 2067055.

It is an arithmetic number, because the mean of its divisors is an integer number (110038842144).

Almost surely, 21320442324012 is an apocalyptic number.

It is an amenable number.

1320442324012 is an abundant number, since it is smaller than the sum of its proper divisors (1320489887444).

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

1320442324012 is a wasteful number, since it uses less digits than its factorization.

1320442324012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849357 (or 849355 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1320442324012 its reverse (2104232440231), we get a palindrome (3424674764243).

The spelling of 1320442324012 in words is "one trillion, three hundred twenty billion, four hundred forty-two million, three hundred twenty-four thousand, twelve".

Divisors: 1 2 4 7 14 28 59723 119446 238892 418061 789623 836122 1579246 1672244 3158492 5527361 11054722 22109444 47158654429 94317308858 188634617716 330110581003 660221162006 1320442324012