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23030004400 = 2452134428847
BaseRepresentation
bin10101011100101100…
…011111101010110000
32012110000000102212221
4111130230133222300
5334131140120100
614325124530424
71443463543654
oct253454375260
965400012787
1023030004400
119848923197
124568850a14
132230366150
14118689ca64
158ebc8a01a
hex55cb1fab0

23030004400 has 60 divisors (see below), whose sum is σ = 59585720992. Its totient is φ = 8503384320.

The previous prime is 23030004317. The next prime is 23030004401. The reversal of 23030004400 is 440003032.

It is a super-2 number, since 2×230300044002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (23030004401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2209224 + ... + 2219623.

Almost surely, 223030004400 is an apocalyptic number.

23030004400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030004400 is an abundant number, since it is smaller than the sum of its proper divisors (36555716592).

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

23030004400 is a wasteful number, since it uses less digits than its factorization.

23030004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428878 (or 4428867 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 23030004400 its reverse (440003032), we get a palindrome (23470007432).

The spelling of 23030004400 in words is "twenty-three billion, thirty million, four thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 4428847 8857694 17715388 22144235 35430776 44288470 57575011 70861552 88576940 110721175 115150022 177153880 221442350 230300044 287875055 354307760 442884700 460600088 575750110 885769400 921200176 1151500220 1439375275 1771538800 2303000440 2878750550 4606000880 5757501100 11515002200 23030004400