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13321333031232 = 2631572797157999
BaseRepresentation
bin1100000111011001110101…
…0100101100000101000000
31202011111200121021211100110
43001312131110230011000
53221224042223444412
644155422542351320
72543302023323262
oct301663524540500
952144617254313
1013321333031232
114276600234116
1215b191b58b540
137582723c3515
14340a824cbb32
151817b9b28d3c
hexc1d9d52c140

13321333031232 has 112 divisors (see below), whose sum is σ = 35483430176000. Its totient is φ = 4410555881472.

The previous prime is 13321333031219. The next prime is 13321333031233. The reversal of 13321333031232 is 23213033312331.

It is a self number, because there is not a number n which added to its sum of digits gives 13321333031232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321333031233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84233769 + ... + 84391767.

Almost surely, 213321333031232 is an apocalyptic number.

13321333031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13321333031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17741715088000).

13321333031232 is an abundant number, since it is smaller than the sum of its proper divisors (22162097144768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321333031232 is a wasteful number, since it uses less digits than its factorization.

13321333031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160968 (or 160958 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 13321333031232 its reverse (23213033312331), we get a palindrome (36534366343563).

The spelling of 13321333031232 in words is "thirteen trillion, three hundred twenty-one billion, three hundred thirty-three million, thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 157 192 314 471 628 942 1256 1884 2512 2797 3768 5024 5594 7536 8391 10048 11188 15072 16782 22376 30144 33564 44752 67128 89504 134256 157999 179008 268512 315998 439129 473997 537024 631996 878258 947994 1263992 1317387 1756516 1895988 2527984 2634774 3513032 3791976 5055968 5269548 7026064 7583952 10111936 10539096 14052128 15167904 21078192 24805843 28104256 30335808 42156384 49611686 74417529 84312768 99223372 148835058 198446744 297670116 396893488 441923203 595340232 793786976 883846406 1190680464 1325769609 1587573952 1767692812 2381360928 2651539218 3535385624 4762721856 5303078436 7070771248 10606156872 14141542496 21212313744 28283084992 42424627488 69381942871 84849254976 138763885742 208145828613 277527771484 416291657226 555055542968 832583314452 1110111085936 1665166628904 2220222171872 3330333257808 4440444343744 6660666515616 13321333031232