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20231021224 = 2317279153299
BaseRepresentation
bin10010110101110111…
…001110001010101000
31221012221020100210101
4102311313032022220
5312413120134344
613143300555144
71314225562111
oct226567161250
957187210711
1020231021224
11864197a757
123b073b2ab4
131ba550399b
14d9cc61208
157d61a19d4
hex4b5dce2a8

20231021224 has 32 divisors (see below), whose sum is σ = 40179672000. Its totient is φ = 9516890880.

The previous prime is 20231021219. The next prime is 20231021233. The reversal of 20231021224 is 42212013202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352927 + ... + 406225.

It is an arithmetic number, because the mean of its divisors is an integer number (1255614750).

Almost surely, 220231021224 is an apocalyptic number.

It is an amenable number.

20231021224 is a deficient number, since it is larger than the sum of its proper divisors (19948650776).

20231021224 is a wasteful number, since it uses less digits than its factorization.

20231021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56113 (or 56109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20231021224 its reverse (42212013202), we get a palindrome (62443034426).

The spelling of 20231021224 in words is "twenty billion, two hundred thirty-one million, twenty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 136 2791 5582 11164 22328 47447 53299 94894 106598 189788 213196 379576 426392 906083 1812166 3624332 7248664 148757509 297515018 595030036 1190060072 2528877653 5057755306 10115510612 20231021224