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20233104324550 = 25213131237617197
BaseRepresentation
bin1001001100110111000101…
…11111101111011111000110
32122122021011211101010020121
410212123202333233133012
510122444344201341200
6111010543152452154
74155536121053425
oct446334277573706
978567154333217
1020233104324550
1164a08a1a08247
12232938984a05a
13b39c86b78520
144dd404b892bc
15251499733e1a
hex1266e2fef7c6

20233104324550 has 48 divisors (see below), whose sum is σ = 40837842117072. Its totient is φ = 7413656515200.

The previous prime is 20233104324527. The next prime is 20233104324551. The reversal of 20233104324550 is 5542340133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233104324551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118723449 + ... + 118893748.

It is an arithmetic number, because the mean of its divisors is an integer number (850788377439).

Almost surely, 220233104324550 is an apocalyptic number.

20233104324550 is an abundant number, since it is smaller than the sum of its proper divisors (20604737792522).

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

20233104324550 is a wasteful number, since it uses less digits than its factorization.

20233104324550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237617353 (or 237617348 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 20233104324550 its reverse (5542340133202), we get a palindrome (25775444457752).

The spelling of 20233104324550 in words is "twenty trillion, two hundred thirty-three billion, one hundred four million, three hundred twenty-four thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 131 262 325 650 655 1310 1703 3275 3406 6550 8515 17030 42575 85150 237617197 475234394 1188085985 2376171970 3089023561 5940429925 6178047122 11880859850 15445117805 30890235610 31127852807 62255705614 77225589025 154451178050 155639264035 311278528070 404662086491 778196320175 809324172982 1556392640350 2023310432455 4046620864910 10116552162275 20233104324550