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33131330133 = 3111729358057
BaseRepresentation
bin11110110110110001…
…111111101001010101
310011111222102221210020
4132312301333221111
51020323110031013
623115331215353
72252011442136
oct366661775125
9104458387706
1033131330133
1113061854780
126507747559
13318003c675
141864279c8d
15cdd9b0623
hex7b6c7fa55

33131330133 has 16 divisors (see below), whose sum is σ = 48194642496. Its totient is φ = 20078087040.

The previous prime is 33131330131. The next prime is 33131330137. The reversal of 33131330133 is 33103313133.

It is not a de Polignac number, because 33131330133 - 21 = 33131330131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33131330131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 541641 + ... + 599697.

It is an arithmetic number, because the mean of its divisors is an integer number (3012165156).

Almost surely, 233131330133 is an apocalyptic number.

33131330133 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

33131330133 is a deficient number, since it is larger than the sum of its proper divisors (15063312363).

33131330133 is a wasteful number, since it uses less digits than its factorization.

33131330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75364.

The product of its (nonzero) digits is 2187, while the sum is 24.

Adding to 33131330133 its reverse (33103313133), we get a palindrome (66234643266).

The spelling of 33131330133 in words is "thirty-three billion, one hundred thirty-one million, three hundred thirty thousand, one hundred thirty-three".

Divisors: 1 3 11 33 17293 51879 58057 174171 190223 570669 638627 1915881 1003979701 3011939103 11043776711 33131330133