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103220443420 = 22528371819183
BaseRepresentation
bin110000000100001101…
…0101111100100011100
3100212102121110211002221
41200020122233210130
53142343413142140
6115230244155124
710312620202243
oct1401032574434
9325377424087
10103220443420
113a859281996
1218008398aa4
13996ca88473
144dd2a4b95a
152a41d2514a
hex18086af91c

103220443420 has 24 divisors (see below), whose sum is σ = 216839456064. Its totient is φ = 41273601216.

The previous prime is 103220443399. The next prime is 103220443439. The reversal of 103220443420 is 24344022301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852852 + ... + 966331.

It is an arithmetic number, because the mean of its divisors is an integer number (9034977336).

Almost surely, 2103220443420 is an apocalyptic number.

103220443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103220443420 is an abundant number, since it is smaller than the sum of its proper divisors (113619012644).

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

103220443420 is a wasteful number, since it uses less digits than its factorization.

103220443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822029 (or 1822027 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 103220443420 its reverse (24344022301), we get a palindrome (127564465721).

The spelling of 103220443420 in words is "one hundred three billion, two hundred twenty million, four hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2837 5674 11348 14185 28370 56740 1819183 3638366 7276732 9095915 18191830 36383660 5161022171 10322044342 20644088684 25805110855 51610221710 103220443420