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33490908680 = 2352959571857
BaseRepresentation
bin11111001100001101…
…101011011000001000
310012110001001102211012
4133030031223120020
51022042133034210
623215134223052
72263636012115
oct371415533010
9105401042735
1033490908680
1113226821429
1265a8054a88
13320969a638
141899d1b90c
15d1033c305
hex7cc36b608

33490908680 has 128 divisors (see below), whose sum is σ = 79505712000. Its totient is φ = 12678113280.

The previous prime is 33490908679. The next prime is 33490908691. The reversal of 33490908680 is 8680909433.

It is a super-2 number, since 2×334909086802 (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 39078812 + ... + 39079668.

It is an arithmetic number, because the mean of its divisors is an integer number (621138375).

Almost surely, 233490908680 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 33490908680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39752856000).

33490908680 is an abundant number, since it is smaller than the sum of its proper divisors (46014803320).

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

33490908680 is a wasteful number, since it uses less digits than its factorization.

33490908680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 33490908680 in words is "thirty-three billion, four hundred ninety million, nine hundred eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 29 40 58 59 116 118 145 232 236 290 295 472 571 580 590 857 1142 1160 1180 1711 1714 2284 2360 2855 3422 3428 4285 4568 5710 6844 6856 8555 8570 11420 13688 16559 17110 17140 22840 24853 33118 33689 34220 34280 49706 50563 66236 67378 68440 82795 99412 101126 124265 132472 134756 165590 168445 198824 202252 248530 252815 269512 331180 336890 404504 489347 497060 505630 662360 673780 976981 978694 994120 1011260 1347560 1466327 1953962 1957388 2022520 2446735 2932654 3907924 3914776 4884905 4893470 5865308 7331635 7815848 9769810 9786940 11730616 14191063 14663270 19539620 19573880 28382126 28871473 29326540 39079240 56764252 57742946 58653080 70955315 113528504 115485892 141910630 144357365 230971784 283821260 288714730 567642520 577429460 837272717 1154858920 1674545434 3349090868 4186363585 6698181736 8372727170 16745454340 33490908680