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13022120321 = 717211080943
BaseRepresentation
bin11000010000010110…
…11100100110000001
31020121112102020211122
430020023130212001
5203132130322241
65552101122025
7640462124240
oct141013344601
936545366748
1013022120321
115582713811
1226350b9315
1312c6b48252
148b7686957
1551337104b
hex3082dc981

13022120321 has 8 divisors (see below), whose sum is σ = 14891084544. Its totient is φ = 11155321440.

The previous prime is 13022120291. The next prime is 13022120333. The reversal of 13022120321 is 12302122031.

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-13022120321 is a prime.

It is a super-2 number, since 2×130221203212 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13022120321.

It is not an unprimeable number, because it can be changed into a prime (13022128321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528425 + ... + 552518.

It is an arithmetic number, because the mean of its divisors is an integer number (1861385568).

Almost surely, 213022120321 is an apocalyptic number.

It is an amenable number.

13022120321 is a deficient number, since it is larger than the sum of its proper divisors (1868964223).

13022120321 is a wasteful number, since it uses less digits than its factorization.

13022120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082671.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13022120321 its reverse (12302122031), we get a palindrome (25324242352).

The spelling of 13022120321 in words is "thirteen billion, twenty-two million, one hundred twenty thousand, three hundred twenty-one".

Divisors: 1 7 1721 12047 1080943 7566601 1860302903 13022120321