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1423103120 = 24517788789
BaseRepresentation
bin101010011010010…
…1101010010010000
310200011211010110222
41110310231102100
510403303244440
6353114012212
750160114455
oct12464552220
93604733428
101423103120
1167033948a
12338717068
13198aaa46a
14d700782c
1584e0a2b5
hex54d2d490

1423103120 has 20 divisors (see below), whose sum is σ = 3308714940. Its totient is φ = 569241216.

The previous prime is 1423103111. The next prime is 1423103131. The reversal of 1423103120 is 213013241.

It can be written as a sum of positive squares in 2 ways, for example, as 699708304 + 723394816 = 26452^2 + 26896^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×14231031203 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8894315 + ... + 8894474.

It is an arithmetic number, because the mean of its divisors is an integer number (165435747).

Almost surely, 21423103120 is an apocalyptic number.

1423103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423103120 is an abundant number, since it is smaller than the sum of its proper divisors (1885611820).

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

1423103120 is a wasteful number, since it uses less digits than its factorization.

1423103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17788802 (or 17788796 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1423103120 is about 37724.0390202322. The cubic root of 1423103120 is about 1124.8090197621.

Adding to 1423103120 its reverse (213013241), we get a palindrome (1636116361).

The spelling of 1423103120 in words is "one billion, four hundred twenty-three million, one hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 17788789 35577578 71155156 88943945 142310312 177887890 284620624 355775780 711551560 1423103120