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33988443053 = 379137100537
BaseRepresentation
bin11111101001110111…
…100111101110101101
310020201201020210200012
4133221313213232231
51024102020134203
623340350143005
72312156666465
oct375167475655
9106651223605
1033988443053
1113461654364
1267067b1a65
13328879b386
141906030ba5
15d3dd69bd8
hex7e9de7bad

33988443053 has 8 divisors (see below), whose sum is σ = 34911217272. Its totient is φ = 33065888256.

The previous prime is 33988443031. The next prime is 33988443067. The reversal of 33988443053 is 35034488933.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1494054409 + 32494388644 = 38653^2 + 180262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33988443053 - 214 = 33988426669 is a prime.

It is a super-2 number, since 2×339884430532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33988442992 and 33988443010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33988443353) 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, 287801 + ... + 388337.

It is an arithmetic number, because the mean of its divisors is an integer number (4363902159).

Almost surely, 233988443053 is an apocalyptic number.

It is an amenable number.

33988443053 is a deficient number, since it is larger than the sum of its proper divisors (922774219).

33988443053 is a wasteful number, since it uses less digits than its factorization.

33988443053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109711.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 33988443053 in words is "thirty-three billion, nine hundred eighty-eight million, four hundred forty-three thousand, fifty-three".

Divisors: 1 37 9137 100537 338069 3719869 918606569 33988443053