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13022020131 = 327716199679
BaseRepresentation
bin11000010000010110…
…00100001000100011
31020121112020011101220
430020023010020203
5203132114121011
65552055030123
7640461226161
oct141013041043
936545204356
1013022020131
11558265550a
12263506b343
1312c6b11773
148b765c231
15513351506
hex3082c4223

13022020131 has 16 divisors (see below), whose sum is σ = 17437939200. Its totient is φ = 8643770208.

The previous prime is 13022020087. The next prime is 13022020153. The reversal of 13022020131 is 13102022031.

It is not a de Polignac number, because 13022020131 - 27 = 13022020003 is a prime.

It is a super-2 number, since 2×130220201312 (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 13022020131.

It is not an unprimeable number, because it can be changed into a prime (13022020171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340550 + ... + 1350228.

It is an arithmetic number, because the mean of its divisors is an integer number (1089871200).

Almost surely, 213022020131 is an apocalyptic number.

13022020131 is a deficient number, since it is larger than the sum of its proper divisors (4415919069).

13022020131 is a wasteful number, since it uses less digits than its factorization.

13022020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13022020131 its reverse (13102022031), we get a palindrome (26124042162).

The spelling of 13022020131 in words is "thirteen billion, twenty-two million, twenty thousand, one hundred thirty-one".

Divisors: 1 3 277 831 1619 4857 9679 29037 448463 1345389 2681083 8043249 15670301 47010903 4340673377 13022020131