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105502573420 = 22531705724113
BaseRepresentation
bin110001001000001110…
…0011000001101101100
3101002022122201000221021
41202100130120031230
53212032124322140
6120244530143524
710423311035416
oct1422034301554
9332278630837
10105502573420
114081a4a7a42
1218544721ba4
139c4481484a
14516bb879b6
152b27366b4a
hex189071836c

105502573420 has 48 divisors (see below), whose sum is σ = 228744246528. Its totient is φ = 40832225280.

The previous prime is 105502573403. The next prime is 105502573433. The reversal of 105502573420 is 24375205501.

It is a super-2 number, since 2×1055025734202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363284 + ... + 4387396.

It is an arithmetic number, because the mean of its divisors is an integer number (4765505136).

Almost surely, 2105502573420 is an apocalyptic number.

105502573420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105502573420 is an abundant number, since it is smaller than the sum of its proper divisors (123241673108).

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

105502573420 is a wasteful number, since it uses less digits than its factorization.

105502573420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31210 (or 31208 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

Adding to 105502573420 its reverse (24375205501), we get a palindrome (129877778921).

The spelling of 105502573420 in words is "one hundred five billion, five hundred two million, five hundred seventy-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 7057 14114 24113 28228 35285 48226 70570 96452 120565 141140 218767 241130 437534 482260 747503 875068 1093835 1495006 2187670 2990012 3737515 4375340 7475030 14950060 170165441 340330882 680661764 850827205 1701654410 3403308820 5275128671 10550257342 21100514684 26375643355 52751286710 105502573420