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13033970550 = 23352171971421
BaseRepresentation
bin11000010001110001…
…01001101101110110
31020122100201022022000
430020320221231312
5203143144024200
65553203120130
7640664631066
oct141070515566
936570638260
1013033970550
115589377a97
122639073046
1312c9437013
148b908d3a6
15514412300
hex308e29b76

13033970550 has 384 divisors, whose sum is σ = 40690252800. Its totient is φ = 3048192000.

The previous prime is 13033970519. The next prime is 13033970591. The reversal of 13033970550 is 5507933031.

It is a happy number.

13033970550 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 39 + 70 + 550 = 666.

13033970550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30959340 + ... + 30959760.

It is an arithmetic number, because the mean of its divisors is an integer number (105964200).

Almost surely, 213033970550 is an apocalyptic number.

13033970550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13033970550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20345126400).

13033970550 is an abundant number, since it is smaller than the sum of its proper divisors (27656282250).

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

13033970550 is a wasteful number, since it uses less digits than its factorization.

13033970550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 36.

The spelling of 13033970550 in words is "thirteen billion, thirty-three million, nine hundred seventy thousand, five hundred fifty".