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33012044142 = 23711229312029
BaseRepresentation
bin11110101111101010…
…111101000101101110
310011012122222121011120
4132233222331011232
51020102040403032
623055430401410
72246032513440
oct365752750556
9104178877146
1033012044142
1113000490410
126493800266
13316140573c
1418524a8490
15cd329b62c
hex7afabd16e

33012044142 has 64 divisors (see below), whose sum is σ = 82675468800. Its totient is φ = 8537086080.

The previous prime is 33012044113. The next prime is 33012044161. The reversal of 33012044142 is 24144021033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50217 + ... + 261812.

It is an arithmetic number, because the mean of its divisors is an integer number (1291804200).

Almost surely, 233012044142 is an apocalyptic number.

33012044142 is an abundant number, since it is smaller than the sum of its proper divisors (49663424658).

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

33012044142 is a wasteful number, since it uses less digits than its factorization.

33012044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312281.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 33012044142 its reverse (24144021033), we get a palindrome (57156065175).

The spelling of 33012044142 in words is "thirty-three billion, twelve million, forty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 229 231 458 462 687 1374 1603 2519 3206 4809 5038 7557 9618 15114 17633 35266 52899 105798 312029 624058 936087 1872174 2184203 3432319 4368406 6552609 6864638 10296957 13105218 20593914 24026233 48052466 71454641 72078699 142909282 144157398 214363923 428727846 500182487 786001051 1000364974 1500547461 1572002102 2358003153 3001094922 4716006306 5502007357 11004014714 16506022071 33012044142