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13033233213 = 37111397101443
BaseRepresentation
bin11000010001101011…
…10101101100111101
31020122022022211212020
430020311311230331
5203143001430323
65553135230353
7640655440320
oct141065655475
936568284766
1013033233213
115588a14020
1226389783b9
1312c9239520
148b8d3a7b7
15514318ae3
hex308d75b3d

13033233213 has 128 divisors (see below), whose sum is σ = 23859892224. Its totient is φ = 6110208000.

The previous prime is 13033233203. The next prime is 13033233229. The reversal of 13033233213 is 31233233031.

It is not a de Polignac number, because 13033233213 - 25 = 13033233181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033233203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29420170 + ... + 29420612.

It is an arithmetic number, because the mean of its divisors is an integer number (186405408).

Almost surely, 213033233213 is an apocalyptic number.

13033233213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13033233213 is a deficient number, since it is larger than the sum of its proper divisors (10826659011).

13033233213 is a wasteful number, since it uses less digits than its factorization.

13033233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 13033233213 its reverse (31233233031), we get a palindrome (44266466244).

It can be divided in two parts, 1303323 and 3213, that added together give a triangular number (1306536 = T1616).

The spelling of 13033233213 in words is "thirteen billion, thirty-three million, two hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 3 7 11 13 21 33 39 77 91 97 101 143 231 273 291 303 429 443 679 707 1001 1067 1111 1261 1313 1329 2037 2121 3003 3101 3201 3333 3783 3939 4873 5759 7469 7777 8827 9191 9303 9797 13871 14443 14619 17277 22407 23331 26481 27573 29391 34111 40313 41613 42971 43329 44743 63349 68579 97097 101101 102333 107767 120939 127361 128913 134229 190047 205737 291291 300797 303303 313201 323301 382083 443443 472681 492173 558623 581659 754369 891527 902391 939603 1330329 1400971 1418043 1476519 1675869 1744977 2263107 2674581 3308767 3445211 3910361 4071613 4202913 4340071 6144853 6398249 9806797 9926301 10335633 11731083 12214839 13020213 18434559 19194747 29420391 30380497 43013971 44787743 47740781 56420923 91141491 129041913 134363229 143222343 169262769 334185467 394946461 620630153 1002556401 1184839383 1861890459 4344411071 13033233213