Search a number
-
+
80581282122 = 231116318014159
BaseRepresentation
bin100101100001100000…
…1001100100101001010
321200222211220021011110
41023003001030211022
52310012302011442
6101004000311150
75551610411445
oct1130301144512
9250884807143
1080581282122
11311a103aa30
121374a6124b6
1377a26a8a33
143c8604c65c
15216954069c
hex12c304c94a

80581282122 has 64 divisors (see below), whose sum is σ = 177033093120. Its totient is φ = 24249456000.

The previous prime is 80581282087. The next prime is 80581282127. The reversal of 80581282122 is 22128218508.

It is not an unprimeable number, because it can be changed into a prime (80581282127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19373079 + ... + 19377237.

It is an arithmetic number, because the mean of its divisors is an integer number (2766142080).

Almost surely, 280581282122 is an apocalyptic number.

80581282122 is an abundant number, since it is smaller than the sum of its proper divisors (96451810998).

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

80581282122 is a wasteful number, since it uses less digits than its factorization.

80581282122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139.

The product of its (nonzero) digits is 40960, while the sum is 39.

The spelling of 80581282122 in words is "eighty billion, five hundred eighty-one million, two hundred eighty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 163 326 489 978 1793 1801 3586 3602 4159 5379 5403 8318 10758 10806 12477 19811 24954 39622 45749 59433 91498 118866 137247 274494 293563 587126 677917 880689 1355834 1761378 2033751 3229193 4067502 6458386 7457087 7490359 9687579 14914174 14980718 19375158 22371261 22471077 44742522 44942154 82393949 164787898 247181847 494363694 1220928517 2441857034 3662785551 7325571102 13430213687 26860427374 40290641061 80581282122