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13022023311 = 3211971356037
BaseRepresentation
bin11000010000010110…
…00100111010001111
31020121112020022202200
430020023010322033
5203132114221221
65552055052543
7640461241353
oct141013047217
936545208680
1013022023311
115582657940
122635071153
1312c6b1304b
148b765d463
15513352426
hex3082c4e8f

13022023311 has 24 divisors (see below), whose sum is σ = 20731108944. Its totient is φ = 7810767360.

The previous prime is 13022023187. The next prime is 13022023393. The reversal of 13022023311 is 11332022031.

13022023311 is a `hidden beast` number, since 130 + 2 + 202 + 331 + 1 = 666.

It is not a de Polignac number, because 13022023311 - 222 = 13017829007 is a prime.

It is a super-2 number, since 2×130220233112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022025311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668416 + ... + 687621.

It is an arithmetic number, because the mean of its divisors is an integer number (863796206).

Almost surely, 213022023311 is an apocalyptic number.

13022023311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13022023311 is a deficient number, since it is larger than the sum of its proper divisors (7709085633).

13022023311 is a wasteful number, since it uses less digits than its factorization.

13022023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356151 (or 1356148 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13022023311 its reverse (11332022031), we get a palindrome (24354045342).

The spelling of 13022023311 in words is "thirteen billion, twenty-two million, twenty-three thousand, three hundred eleven".

Divisors: 1 3 9 11 33 97 99 291 873 1067 3201 9603 1356037 4068111 12204333 14916407 44749221 131535589 134247663 394606767 1183820301 1446891479 4340674437 13022023311