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33042423140 = 22514747112031
BaseRepresentation
bin11110110001011110…
…110101110101100100
310011021210011000022122
4132301132311311210
51020132330020030
623102433445112
72246551651106
oct366136656544
9104253130278
1033042423140
111301664a621
1264a1a10798
1331677b108c
141856535576
15cd5c9c8e5
hex7b17b5d64

33042423140 has 24 divisors (see below), whose sum is σ = 69394413312. Its totient is φ = 13215955040.

The previous prime is 33042423103. The next prime is 33042423149. The reversal of 33042423140 is 4132424033.

It is not an unprimeable number, because it can be changed into a prime (33042423149) 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, 238925 + ... + 350955.

It is an arithmetic number, because the mean of its divisors is an integer number (2891433888).

Almost surely, 233042423140 is an apocalyptic number.

It is an amenable number.

33042423140 is an abundant number, since it is smaller than the sum of its proper divisors (36351990172).

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

33042423140 is a wasteful number, since it uses less digits than its factorization.

33042423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126787 (or 126785 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33042423140 its reverse (4132424033), we get a palindrome (37174847173).

The spelling of 33042423140 in words is "thirty-three billion, forty-two million, four hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 14747 29494 58988 73735 112031 147470 224062 294940 448124 560155 1120310 2240620 1652121157 3304242314 6608484628 8260605785 16521211570 33042423140