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20430113310 = 2325227001259
BaseRepresentation
bin10011000001101110…
…101100101000011110
31221201210212021210100
4103001232230220132
5313320102111220
613215132121530
71322164045365
oct230156545036
957653767710
1020430113310
1187342a2572
123b620062a6
131c07830959
14dbb4887dc
157e88cbd90
hex4c1baca1e

20430113310 has 24 divisors (see below), whose sum is σ = 53118294840. Its totient is φ = 5448030192.

The previous prime is 20430113309. The next prime is 20430113369. The reversal of 20430113310 is 1331103402.

It is a super-3 number, since 3×204301133103 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 113500540 + ... + 113500719.

It is an arithmetic number, because the mean of its divisors is an integer number (2213262285).

Almost surely, 220430113310 is an apocalyptic number.

20430113310 is an abundant number, since it is smaller than the sum of its proper divisors (32688181530).

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

20430113310 is a wasteful number, since it uses less digits than its factorization.

20430113310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227001272 (or 227001269 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20430113310 its reverse (1331103402), we get a palindrome (21761216712).

The spelling of 20430113310 in words is "twenty billion, four hundred thirty million, one hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 227001259 454002518 681003777 1135006295 1362007554 2043011331 2270012590 3405018885 4086022662 6810037770 10215056655 20430113310