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33106045648 = 2413414219221
BaseRepresentation
bin11110110101010001…
…100010101011010000
310011110012212100222211
4132311101202223100
51020300121430043
623113025241504
72251253513344
oct366521425320
9104405770884
1033106045648
1113049555105
1264bb193294
133177a28b30
141860b77624
15cdb668a9d
hex7b5462ad0

33106045648 has 80 divisors (see below), whose sum is σ = 70937615952. Its totient is φ = 14870016000.

The previous prime is 33106045639. The next prime is 33106045717. The reversal of 33106045648 is 84654060133.

It can be written as a sum of positive squares in 8 ways, for example, as 10222827664 + 22883217984 = 101108^2 + 151272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 33106045648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585678 + ... + 3594898.

Almost surely, 233106045648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33106045648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35468807976).

33106045648 is an abundant number, since it is smaller than the sum of its proper divisors (37831570304).

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

33106045648 is a wasteful number, since it uses less digits than its factorization.

33106045648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9704 (or 9698 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 33106045648 in words is "thirty-three billion, one hundred six million, forty-five thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 41 52 82 104 164 208 328 421 533 656 842 1066 1684 2132 3368 4264 5473 6736 8528 9221 10946 17261 18442 21892 34522 36884 43784 69044 73768 87568 119873 138088 147536 224393 239746 276176 378061 448786 479492 756122 897572 958984 1512244 1795144 1917968 3024488 3590288 3882041 4914793 6048976 7764082 9829586 15528164 19659172 31056328 39318344 50466533 62112656 78636688 100933066 159163681 201866132 318327362 403732264 636654724 807464528 1273309448 2069127853 2546618896 4138255706 8276511412 16553022824 33106045648