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2103430220 = 225105171511
BaseRepresentation
bin111110101011111…
…1100110001001100
312102120222022210222
41331113330301030
513301434231340
6544415450512
7103060601423
oct17527746114
95376868728
102103430220
1198a371291
124a8526a38
13276a1c288
1415d5002ba
15c49e38b5
hex7d5fcc4c

2103430220 has 12 divisors (see below), whose sum is σ = 4417203504. Its totient is φ = 841372080.

The previous prime is 2103430211. The next prime is 2103430271. The reversal of 2103430220 is 220343012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52585736 + ... + 52585775.

It is an arithmetic number, because the mean of its divisors is an integer number (368100292).

Almost surely, 22103430220 is an apocalyptic number.

2103430220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103430220 is an abundant number, since it is smaller than the sum of its proper divisors (2313773284).

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

2103430220 is a wasteful number, since it uses less digits than its factorization.

2103430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105171520 (or 105171518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2103430220 is about 45863.1684470229. The cubic root of 2103430220 is about 1281.2760346247.

Adding to 2103430220 its reverse (220343012), we get a palindrome (2323773232).

The spelling of 2103430220 in words is "two billion, one hundred three million, four hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 105171511 210343022 420686044 525857555 1051715110 2103430220