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22231255050 = 23252193255973
BaseRepresentation
bin10100101101000101…
…100000100000001010
32010101100000202202200
4110231011200200022
5331012200130200
614113552541030
71414624356444
oct245505404012
963340022680
1022231255050
119478a66a64
124385251776
132133a305b4
14110c77b494
158a1aad800
hex52d16080a

22231255050 has 72 divisors (see below), whose sum is σ = 60037677804. Its totient is φ = 5897594880.

The previous prime is 22231255049. The next prime is 22231255051. The reversal of 22231255050 is 5055213222.

It is an interprime number because it is at equal distance from previous prime (22231255049) and next prime (22231255051).

It can be written as a sum of positive squares in 6 ways, for example, as 10906251489 + 11325003561 = 104433^2 + 106419^2 .

It is not an unprimeable number, because it can be changed into a prime (22231255051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41137 + ... + 214836.

Almost surely, 222231255050 is an apocalyptic number.

22231255050 is an abundant number, since it is smaller than the sum of its proper divisors (37806422754).

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

22231255050 is a wasteful number, since it uses less digits than its factorization.

22231255050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256184 (or 256176 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 22231255050 its reverse (5055213222), we get a palindrome (27286468272).

The spelling of 22231255050 in words is "twenty-two billion, two hundred thirty-one million, two hundred fifty-five thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 193 225 386 450 579 965 1158 1737 1930 2895 3474 4825 5790 8685 9650 14475 17370 28950 43425 86850 255973 511946 767919 1279865 1535838 2303757 2559730 3839595 4607514 6399325 7679190 11518785 12798650 19197975 23037570 38395950 49402789 57593925 98805578 115187850 148208367 247013945 296416734 444625101 494027890 741041835 889250202 1235069725 1482083670 2223125505 2470139450 3705209175 4446251010 7410418350 11115627525 22231255050