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105525342420 = 22354217395653
BaseRepresentation
bin110001001000111001…
…1001111000011010100
3101002101020112211010120
41202101303033003110
53212103441424140
6120251102151540
710424005416351
oct1422163170324
9332336484116
10105525342420
11408313396a3
12185502825b0
139c49457424
145170bd3628
152b293631d0
hex1891ccf0d4

105525342420 has 96 divisors (see below), whose sum is σ = 296626028160. Its totient is φ = 28030302720.

The previous prime is 105525342409. The next prime is 105525342443. The reversal of 105525342420 is 24243525501.

It is a happy number.

It is a super-2 number, since 2×1055253424202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 18664314 + ... + 18669966.

It is an arithmetic number, because the mean of its divisors is an integer number (3089854460).

Almost surely, 2105525342420 is an apocalyptic number.

105525342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105525342420 is an abundant number, since it is smaller than the sum of its proper divisors (191100685740).

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

105525342420 is a wasteful number, since it uses less digits than its factorization.

105525342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825 (or 6823 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 105525342420 its reverse (24243525501), we get a palindrome (129768867921).

The spelling of 105525342420 in words is "one hundred five billion, five hundred twenty-five million, three hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 421 739 842 1263 1478 1684 2105 2217 2526 2956 3695 4210 4434 5052 5653 6315 7390 8420 8868 11085 11306 12630 14780 16959 22170 22612 25260 28265 33918 44340 56530 67836 84795 113060 169590 311119 339180 622238 933357 1244476 1555595 1866714 2379913 3111190 3733428 4177567 4666785 4759826 6222380 7139739 8355134 9333570 9519652 11899565 12532701 14279478 16710268 18667140 20887835 23799130 25065402 28558956 35698695 41775670 47598260 50130804 62663505 71397390 83551340 125327010 142794780 250654020 1758755707 3517511414 5276267121 7035022828 8793778535 10552534242 17587557070 21105068484 26381335605 35175114140 52762671210 105525342420