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13021323232123 = 731371302002123
BaseRepresentation
bin1011110101111100001101…
…0110001000001101111011
31201002211022101220221202101
42331133003112020031323
53201320132221411443
643405525135244231
72512521346156033
oct275370326101573
951084271827671
1013021323232123
114170348554688
121563752979677
13735ba054362b
14330341d588c3
15178aab68184d
hexbd7c358837b

13021323232123 has 8 divisors (see below), whose sum is σ = 13296045690288. Its totient is φ = 12749204778624.

The previous prime is 13021323232103. The next prime is 13021323232189. The reversal of 13021323232123 is 32123232312031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13021323232123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021323232091 and 13021323232100.

It is not an unprimeable number, because it can be changed into a prime (13021323232103) 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, 650991061 + ... + 651011062.

It is an arithmetic number, because the mean of its divisors is an integer number (1662005711286).

Almost surely, 213021323232123 is an apocalyptic number.

13021323232123 is a deficient number, since it is larger than the sum of its proper divisors (274722458165).

13021323232123 is a wasteful number, since it uses less digits than its factorization.

13021323232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302002333.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13021323232123 its reverse (32123232312031), we get a palindrome (45144555544154).

The spelling of 13021323232123 in words is "thirteen trillion, twenty-one billion, three hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 73 137 10001 1302002123 95046154979 178374290851 13021323232123