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33042013091 = 443125959243
BaseRepresentation
bin11110110001011101…
…010001101110100011
310011021202101011211122
4132301131101232203
51020132223404331
623102421002455
72246545322453
oct366135215643
9104252334748
1033042013091
111301639a53a
1264a185342b
133167699549
141856469d63
15cd5c1b17b
hex7b1751ba3

33042013091 has 8 divisors (see below), whose sum is σ = 33143463360. Its totient is φ = 32940684712.

The previous prime is 33042013063. The next prime is 33042013111. The reversal of 33042013091 is 19031024033.

It is a happy number.

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 33042013091 - 26 = 33042013027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33042013091.

It is not an unprimeable number, because it can be changed into a prime (33042013051) 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, 528116 + ... + 587358.

It is an arithmetic number, because the mean of its divisors is an integer number (4142932920).

Almost surely, 233042013091 is an apocalyptic number.

33042013091 is a deficient number, since it is larger than the sum of its proper divisors (101450269).

33042013091 is a wasteful number, since it uses less digits than its factorization.

33042013091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60945.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 33042013091 in words is "thirty-three billion, forty-two million, thirteen thousand, ninety-one".

Divisors: 1 443 1259 59243 557737 26244649 74586937 33042013091