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23012030300 = 22527163201683
BaseRepresentation
bin10101011011100111…
…111011011101011100
32012101202012021001112
4111123213323131130
5334112034432200
614323243401152
71443155013230
oct253347733534
965352167045
1023012030300
119839766a66
1245628231b8
132229711b9c
1411843405c0
158ea3d9535
hex55b9fb75c

23012030300 has 72 divisors (see below), whose sum is σ = 57420241536. Its totient is φ = 7841396160.

The previous prime is 23012030281. The next prime is 23012030383. The reversal of 23012030300 is 303021032.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13259 + ... + 214941.

Almost surely, 223012030300 is an apocalyptic number.

23012030300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23012030300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28710120768).

23012030300 is an abundant number, since it is smaller than the sum of its proper divisors (34408211236).

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

23012030300 is a wasteful number, since it uses less digits than its factorization.

23012030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201867 (or 201860 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 23012030300 its reverse (303021032), we get a palindrome (23315051332).

The spelling of 23012030300 in words is "twenty-three billion, twelve million, thirty thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 163 175 326 350 652 700 815 1141 1630 2282 3260 4075 4564 5705 8150 11410 16300 22820 28525 57050 114100 201683 403366 806732 1008415 1411781 2016830 2823562 4033660 5042075 5647124 7058905 10084150 14117810 20168300 28235620 32874329 35294525 65748658 70589050 131497316 141178100 164371645 230120303 328743290 460240606 657486580 821858225 920481212 1150601515 1643716450 2301203030 3287432900 4602406060 5753007575 11506015150 23012030300