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13212333332055 = 33511213193479437
BaseRepresentation
bin1100000001000011110001…
…1011110101011001010111
31201210002100020010101202000
43000100330123311121113
53212432324313111210
644033355004450343
72532362636215614
oct300207433653127
951702306111660
1013212333332055
1142343567a2900
12159477b8499b3
1374abc120a6c0
143396a20d350b
1517da3a771ac0
hexc043c6f5657

13212333332055 has 384 divisors, whose sum is σ = 29354867942400. Its totient is φ = 5585254456320.

The previous prime is 13212333332053. The next prime is 13212333332063. The reversal of 13212333332055 is 55023333321231.

13212333332055 is a `hidden beast` number, since 1 + 3 + 21 + 233 + 33 + 320 + 55 = 666.

13212333332055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13212333332055 - 21 = 13212333332053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212333332053) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1400051797 + ... + 1400061233.

It is an arithmetic number, because the mean of its divisors is an integer number (76444968600).

Almost surely, 213212333332055 is an apocalyptic number.

13212333332055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13212333332055 is an abundant number, since it is smaller than the sum of its proper divisors (16142534610345).

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

13212333332055 is a wasteful number, since it uses less digits than its factorization.

13212333332055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852 (or 9835 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 36.

Adding to 13212333332055 its reverse (55023333321231), we get a palindrome (68235666653286).

The spelling of 13212333332055 in words is "thirteen trillion, two hundred twelve billion, three hundred thirty-three million, three hundred thirty-two thousand, fifty-five".