Search a number
-
+
33866192040 = 23351915679479
BaseRepresentation
bin11111100010100101…
…010001010010101000
310020102012012210210220
4133202211101102220
51023324221121130
623320302010040
72306143611522
oct374245212250
9106365183726
1033866192040
11133a964536a
126691876920
1332693669b5
1418d3acaa12
15d3326c410
hex7e29514a8

33866192040 has 128 divisors (see below), whose sum is σ = 107025408000. Its totient is φ = 8549307648.

The previous prime is 33866192039. The next prime is 33866192053. The reversal of 33866192040 is 4029166833.

It is a super-3 number, since 3×338661920403 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 33866191983 and 33866192001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3568021 + ... + 3577499.

It is an arithmetic number, because the mean of its divisors is an integer number (836136000).

Almost surely, 233866192040 is an apocalyptic number.

33866192040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33866192040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53512704000).

33866192040 is an abundant number, since it is smaller than the sum of its proper divisors (73159215960).

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

33866192040 is a wasteful number, since it uses less digits than its factorization.

33866192040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079 (or 11075 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 33866192040 in words is "thirty-three billion, eight hundred sixty-six million, one hundred ninety-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 1567 2280 3134 4701 6268 7835 9402 9479 12536 15670 18804 18958 23505 28437 29773 31340 37608 37916 47010 47395 56874 59546 62680 75832 89319 94020 94790 113748 119092 142185 148865 178638 180101 188040 189580 227496 238184 284370 297730 357276 360202 379160 446595 540303 568740 595460 714552 720404 893190 900505 1080606 1137480 1190920 1440808 1786380 1801010 2161212 2701515 3572760 3602020 4322424 5403030 7204040 10806060 14853593 21612120 29707186 44560779 59414372 74267965 89121558 118828744 148535930 178243116 222803895 282218267 297071860 356486232 445607790 564436534 594143720 846654801 891215580 1128873068 1411091335 1693309602 1782431160 2257746136 2822182670 3386619204 4233274005 5644365340 6773238408 8466548010 11288730680 16933096020 33866192040