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13021122313 = 194571499611
BaseRepresentation
bin11000010000001111…
…01000111100001001
31020121110112112211101
430020013220330021
5203131401403223
65552023501401
7640450466503
oct141007507411
936543475741
1013021122313
1155820a1a11
1226348b7861
1312c6888c04
148b74a6d73
155132254ad
hex3081e8f09

13021122313 has 8 divisors (see below), whose sum is σ = 13736445920. Its totient is φ = 12308798880.

The previous prime is 13021122311. The next prime is 13021122383. The reversal of 13021122313 is 31322112031.

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

It is not a de Polignac number, because 13021122313 - 21 = 13021122311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021122311) 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, 741123 + ... + 758488.

It is an arithmetic number, because the mean of its divisors is an integer number (1717055740).

Almost surely, 213021122313 is an apocalyptic number.

It is an amenable number.

13021122313 is a deficient number, since it is larger than the sum of its proper divisors (715323607).

13021122313 is a wasteful number, since it uses less digits than its factorization.

13021122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500087.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13021122313 its reverse (31322112031), we get a palindrome (44343234344).

The spelling of 13021122313 in words is "thirteen billion, twenty-one million, one hundred twenty-two thousand, three hundred thirteen".

Divisors: 1 19 457 8683 1499611 28492609 685322227 13021122313