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4495681980 = 2233541203057
BaseRepresentation
bin1000010111111011…
…01010100110111100
3102121022102022022000
410023331222212330
533201343310410
62022034022300
7216256444356
oct41375524674
912538368260
104495681980
1119a7771459
12a55717990
1356852426a
143091040d6
151b4a38dc0
hex10bf6a9bc

4495681980 has 96 divisors (see below), whose sum is σ = 14327772480. Its totient is φ = 1169602560.

The previous prime is 4495681963. The next prime is 4495681987. The reversal of 4495681980 is 891865944.

4495681980 is a `hidden beast` number, since 4 + 495 + 68 + 1 + 98 + 0 = 666.

It is a super-2 number, since 2×44956819802 = 40422312930593440800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4495681987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79389 + ... + 123668.

It is an arithmetic number, because the mean of its divisors is an integer number (149247630).

Almost surely, 24495681980 is an apocalyptic number.

It is an amenable number.

4495681980 is an abundant number, since it is smaller than the sum of its proper divisors (9832090500).

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

4495681980 is a wasteful number, since it uses less digits than its factorization.

4495681980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203116 (or 203108 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 4495681980 is about 67049.8469796912. The cubic root of 4495681980 is about 1650.4353892350.

The spelling of 4495681980 in words is "four billion, four hundred ninety-five million, six hundred eighty-one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 82 90 108 123 135 164 180 205 246 270 369 410 492 540 615 738 820 1107 1230 1476 1845 2214 2460 3690 4428 5535 7380 11070 22140 203057 406114 609171 812228 1015285 1218342 1827513 2030570 2436684 3045855 3655026 4061140 5482539 6091710 7310052 8325337 9137565 10965078 12183420 16650674 18275130 21930156 24976011 27412695 33301348 36550260 41626685 49952022 54825390 74928033 83253370 99904044 109650780 124880055 149856066 166506740 224784099 249760110 299712132 374640165 449568198 499520220 749280330 899136396 1123920495 1498560660 2247840990 4495681980