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13004255321 = 67487398549
BaseRepresentation
bin11000001110001110…
…10011000001011001
31020120021210121122222
430013013103001121
5203113042132241
65550222153425
7640154226551
oct140707230131
936507717588
1013004255321
115573621552
12262b122875
1312c3231845
148b5156161
155119e2a4b
hex3071d3059

13004255321 has 8 divisors (see below), whose sum is σ = 13225483200. Its totient is φ = 12783825648.

The previous prime is 13004255311. The next prime is 13004255347. The reversal of 13004255321 is 12355240031.

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 not a de Polignac number, because 13004255321 - 210 = 13004254297 is a prime.

It is a super-2 number, since 2×130042553212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13004255311) 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, 166646 + ... + 231903.

It is an arithmetic number, because the mean of its divisors is an integer number (1653185400).

Almost surely, 213004255321 is an apocalyptic number.

It is an amenable number.

13004255321 is a deficient number, since it is larger than the sum of its proper divisors (221227879).

13004255321 is an equidigital number, since it uses as much as digits as its factorization.

13004255321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399103.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13004255321 its reverse (12355240031), we get a palindrome (25359495352).

The spelling of 13004255321 in words is "thirteen billion, four million, two hundred fifty-five thousand, three hundred twenty-one".

Divisors: 1 67 487 32629 398549 26702783 194093363 13004255321