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13023311433 = 311235876891
BaseRepresentation
bin11000010000011111…
…11111011001001001
31020121121122202201220
430020033333121021
5203132431431213
65552142432253
7640505214666
oct141017773111
936547582656
1013023311433
115583357700
122635592689
1312c7174452
148b78b6a6d
15513508e23
hex3083ff649

13023311433 has 12 divisors (see below), whose sum is σ = 19086506544. Its totient is φ = 7892915800.

The previous prime is 13023311351. The next prime is 13023311443. The reversal of 13023311433 is 33411332031.

It is a happy number.

It is not a de Polignac number, because 13023311433 - 214 = 13023295049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13023311443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17938083 + ... + 17938808.

It is an arithmetic number, because the mean of its divisors is an integer number (1590542212).

Almost surely, 213023311433 is an apocalyptic number.

It is an amenable number.

13023311433 is a deficient number, since it is larger than the sum of its proper divisors (6063195111).

13023311433 is a wasteful number, since it uses less digits than its factorization.

13023311433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35876916 (or 35876905 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13023311433 its reverse (33411332031), we get a palindrome (46434643464).

The spelling of 13023311433 in words is "thirteen billion, twenty-three million, three hundred eleven thousand, four hundred thirty-three".

Divisors: 1 3 11 33 121 363 35876891 107630673 394645801 1183937403 4341103811 13023311433