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23001222200 = 23521115766593
BaseRepresentation
bin10101011010111110…
…101100110000111000
32012100222212011010112
4111122332230300320
5334101303102300
614322220003452
71442664106565
oct253276546070
965328764115
1023001222200
119833654750
12455b090588
1322273c9568
141182b2986c
158e94a1e35
hex55afacc38

23001222200 has 96 divisors (see below), whose sum is σ = 58711934160. Its totient is φ = 8310681600.

The previous prime is 23001222191. The next prime is 23001222239. The reversal of 23001222200 is 222210032.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 312104 + ... + 378696.

Almost surely, 223001222200 is an apocalyptic number.

23001222200 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 23001222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29355967080).

23001222200 is an abundant number, since it is smaller than the sum of its proper divisors (35710711960).

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

23001222200 is a wasteful number, since it uses less digits than its factorization.

23001222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66777 (or 66768 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 23001222200 its reverse (222210032), we get a palindrome (23223432232).

The spelling of 23001222200 in words is "twenty-three billion, one million, two hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 157 200 220 275 314 440 550 628 785 1100 1256 1570 1727 2200 3140 3454 3925 6280 6908 7850 8635 13816 15700 17270 31400 34540 43175 66593 69080 86350 133186 172700 266372 332965 345400 532744 665930 732523 1331860 1465046 1664825 2663720 2930092 3329650 3662615 5860184 6659300 7325230 10455101 13318600 14650460 18313075 20910202 29300920 36626150 41820404 52275505 73252300 83640808 104551010 115006111 146504600 209102020 230012222 261377525 418204040 460024444 522755050 575030555 920048888 1045510100 1150061110 2091020200 2300122220 2875152775 4600244440 5750305550 11500611100 23001222200