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55223134790208 = 26371119717383457
BaseRepresentation
bin11001000111001101000110…
…10101010010001001000000
321020112021120012202012001020
430203212203111102021000
524214233440001241313
6313241054034505440
714426511521541240
oct1443464325221100
9236467505665036
1055223134790208
1116660aaaa1a080
12623a744135280
1324a7699a9a488
14d8cb57809b20
1565b73188d323
hex3239a3552240

55223134790208 has 1792 divisors, whose sum is σ = 199928137973760. Its totient is φ = 13026056601600.

The previous prime is 55223134790099. The next prime is 55223134790209. The reversal of 55223134790208 is 80209743132255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55223134790209) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 120838369116 + ... + 120838369572.

It is an arithmetic number, because the mean of its divisors is an integer number (111567041280).

Almost surely, 255223134790208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55223134790208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99964068986880).

55223134790208 is an abundant number, since it is smaller than the sum of its proper divisors (144705003183552).

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

55223134790208 is a wasteful number, since it uses less digits than its factorization.

55223134790208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 55223134790208 in words is "fifty-five trillion, two hundred twenty-three billion, one hundred thirty-four million, seven hundred ninety thousand, two hundred eight".