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1320404233012 = 221719417709309
BaseRepresentation
bin10011001101101110001…
…110011010101100110100
311200020012020111212220221
4103031232032122230310
5133113141440424022
62450330233104124
7164252563540234
oct23155616325464
94606166455827
101320404233012
11469a86848487
12193aa0858044
139768a4662b7
1447c9d417cc4
15245303ddcc7
hex1336e39ab34

1320404233012 has 12 divisors (see below), whose sum is σ = 2446631373060. Its totient is φ = 621366697856.

The previous prime is 1320404232997. The next prime is 1320404233073. The reversal of 1320404233012 is 2103324040231.

It can be written as a sum of positive squares in 2 ways, for example, as 350269850896 + 970134382116 = 591836^2 + 984954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9708854587 + ... + 9708854722.

It is an arithmetic number, because the mean of its divisors is an integer number (203885947755).

Almost surely, 21320404233012 is an apocalyptic number.

It is an amenable number.

1320404233012 is a deficient number, since it is larger than the sum of its proper divisors (1126227140048).

1320404233012 is a wasteful number, since it uses less digits than its factorization.

1320404233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19417709330 (or 19417709328 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1320404233012 its reverse (2103324040231), we get a palindrome (3423728273243).

The spelling of 1320404233012 in words is "one trillion, three hundred twenty billion, four hundred four million, two hundred thirty-three thousand, twelve".

Divisors: 1 2 4 17 34 68 19417709309 38835418618 77670837236 330101058253 660202116506 1320404233012