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13212405433342 = 231313680841257
BaseRepresentation
bin1100000001000100000010…
…1110111000001111111110
31201210002112020210112010001
43000101000232320033332
53212433001242331332
644033410102104514
72532364503113503
oct300210056701776
951702466715101
1013212405433342
114234393469645
12159479ba1b13a
1374ac0313379b
143396ab9014aa
1517da41c650e7
hexc0440bb83fe

13212405433342 has 16 divisors (see below), whose sum is σ = 20523278881152. Its totient is φ = 6372674156160.

The previous prime is 13212405433313. The next prime is 13212405433349. The reversal of 13212405433342 is 24333450421231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212405433349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340401223 + ... + 340440034.

It is an arithmetic number, because the mean of its divisors is an integer number (1282704930072).

Almost surely, 213212405433342 is an apocalyptic number.

13212405433342 is a deficient number, since it is larger than the sum of its proper divisors (7310873447810).

13212405433342 is a wasteful number, since it uses less digits than its factorization.

13212405433342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680841603.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 13212405433342 its reverse (24333450421231), we get a palindrome (37545855854573).

The spelling of 13212405433342 in words is "thirteen trillion, two hundred twelve billion, four hundred five million, four hundred thirty-three thousand, three hundred forty-two".

Divisors: 1 2 31 62 313 626 9703 19406 680841257 1361682514 21106078967 42212157934 213103313441 426206626882 6606202716671 13212405433342