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13442254321 = 59678133599
BaseRepresentation
bin11001000010011100…
…01000010111110001
31021200210222021100011
430201032020113301
5210012204114241
610101510054521
7654053163556
oct144116102761
937623867304
1013442254321
1157788906a1
12273194a441
131362bb8c52
149173aca2d
1553a1b0281
hex3213885f1

13442254321 has 8 divisors (see below), whose sum is σ = 13672512000. Its totient is φ = 13212077520.

The previous prime is 13442254307. The next prime is 13442254337. The reversal of 13442254321 is 12345224431.

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

It is a cyclic number.

It is not a de Polignac number, because 13442254321 - 215 = 13442221553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13442254351) 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, 383280 + ... + 416878.

It is an arithmetic number, because the mean of its divisors is an integer number (1709064000).

Almost surely, 213442254321 is an apocalyptic number.

It is an amenable number.

13442254321 is a deficient number, since it is larger than the sum of its proper divisors (230257679).

13442254321 is an equidigital number, since it uses as much as digits as its factorization.

13442254321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40439.

The product of its digits is 23040, while the sum is 31.

Adding to 13442254321 its reverse (12345224431), we get a palindrome (25787478752).

The spelling of 13442254321 in words is "thirteen billion, four hundred forty-two million, two hundred fifty-four thousand, three hundred twenty-one".

Divisors: 1 59 6781 33599 400079 1982341 227834819 13442254321