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1320120213223 = 7191987374879
BaseRepresentation
bin10011001101011101010…
…010111101111011100111
311200012110110002012000111
4103031131102331323213
5133112101233310343
62450242125353451
7164242544445220
oct23153522757347
94605413065014
101320120213223
11469950499189
12193a21708887
1397643672056
1447c73804247
15245154d9c9d
hex1335d4bdee7

1320120213223 has 8 divisors (see below), whose sum is σ = 1516607815680. Its totient is φ = 1125607360920.

The previous prime is 1320120213173. The next prime is 1320120213229. The reversal of 1320120213223 is 3223120210231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320120213223 - 29 = 1320120212711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320120213194 and 1320120213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320120213229) 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, 493686103 + ... + 493688776.

It is an arithmetic number, because the mean of its divisors is an integer number (189575976960).

Almost surely, 21320120213223 is an apocalyptic number.

1320120213223 is a deficient number, since it is larger than the sum of its proper divisors (196487602457).

1320120213223 is an equidigital number, since it uses as much as digits as its factorization.

1320120213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987375077.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1320120213223 its reverse (3223120210231), we get a palindrome (4543240423454).

The spelling of 1320120213223 in words is "one trillion, three hundred twenty billion, one hundred twenty million, two hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 7 191 1337 987374879 6911624153 188588601889 1320120213223