Search a number
-
+
80673090240 = 2635208340343
BaseRepresentation
bin100101100100001111…
…1011010101011000000
321201020020122121020010
41023020133122223000
52310204302341430
6101021040144520
75554103644551
oct1131037325300
9251206577203
1080673090240
1131238946806
1213775308140
1377b8711972
143c9430a328
152172627cb0
hex12c87daac0

80673090240 has 112 divisors (see below), whose sum is σ = 256266379008. Its totient is φ = 21501963264.

The previous prime is 80673090221. The next prime is 80673090307. The reversal of 80673090240 is 4209037608.

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, 1979509 + ... + 2019851.

Almost surely, 280673090240 is an apocalyptic number.

80673090240 is a gapful number since it is divisible by the number (80) 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 80673090240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128133189504).

80673090240 is an abundant number, since it is smaller than the sum of its proper divisors (175593288768).

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

80673090240 is a wasteful number, since it uses less digits than its factorization.

80673090240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42446 (or 42436 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 80673090240 in words is "eighty billion, six hundred seventy-three million, ninety thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 2083 4166 6249 8332 10415 12498 16664 20830 24996 31245 33328 40343 41660 49992 62490 66656 80686 83320 99984 121029 124980 133312 161372 166640 199968 201715 242058 249960 322744 333280 399936 403430 484116 499920 605145 645488 666560 806860 968232 999840 1210290 1290976 1613720 1936464 1999680 2420580 2581952 3227440 3872928 4841160 6454880 7745856 9682320 12909760 19364640 38729280 84034469 168068938 252103407 336137876 420172345 504206814 672275752 840344690 1008413628 1260517035 1344551504 1680689380 2016827256 2521034070 2689103008 3361378760 4033654512 5042068140 5378206016 6722757520 8067309024 10084136280 13445515040 16134618048 20168272560 26891030080 40336545120 80673090240