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20231103222 = 23211412579697
BaseRepresentation
bin10010110101110111…
…100010001011110110
31221012221101112021100
4102311313202023312
5312413130300342
613143302430530
71314226353141
oct226567421366
957187345240
1020231103222
118641a26320
123b07432446
131ba55320c5
14d9cc83058
157d61bae4c
hex4b5de22f6

20231103222 has 96 divisors (see below), whose sum is σ = 49180963104. Its totient is φ = 5957222400.

The previous prime is 20231103187. The next prime is 20231103287. The reversal of 20231103222 is 22230113202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20231103195 and 20231103204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2081478 + ... + 2091174.

It is an arithmetic number, because the mean of its divisors is an integer number (512301699).

Almost surely, 220231103222 is an apocalyptic number.

20231103222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20231103222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24590481552).

20231103222 is an abundant number, since it is smaller than the sum of its proper divisors (28949859882).

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

20231103222 is a wasteful number, since it uses less digits than its factorization.

20231103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014 (or 10011 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20231103222 its reverse (22230113202), we get a palindrome (42461216424).

The spelling of 20231103222 in words is "twenty billion, two hundred thirty-one million, one hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 41 66 82 99 123 198 246 257 369 451 514 738 771 902 1353 1542 2313 2706 2827 4059 4626 5654 8118 8481 9697 10537 16962 19394 21074 25443 29091 31611 50886 58182 63222 87273 94833 106667 115907 174546 189666 213334 231814 320001 347721 397577 640002 695442 795154 960003 1043163 1192731 1920006 2086326 2385462 2492129 3578193 4373347 4984258 7156386 7476387 8746694 13120041 14952774 22429161 26240082 27413419 39360123 44858322 54826838 78720246 82240257 102177289 164480514 204354578 246720771 306531867 493441542 613063734 919595601 1123950179 1839191202 2247900358 3371850537 6743701074 10115551611 20231103222