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20230144234 = 213972770303
BaseRepresentation
bin10010110101110011…
…111000000011101010
31221012212120210210021
4102311303320003222
5312412404103414
613143230111054
71314215250226
oct226563700352
957185523707
1020230144234
118641430873
123b0704b48a
131ba5287761
14d9cab3786
157d607bc24
hex4b5cf80ea

20230144234 has 8 divisors (see below), whose sum is σ = 30563527680. Its totient is φ = 10042301676.

The previous prime is 20230144223. The next prime is 20230144243. The reversal of 20230144234 is 43244103202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20230144199 and 20230144208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36384874 + ... + 36385429.

It is an arithmetic number, because the mean of its divisors is an integer number (3820440960).

Almost surely, 220230144234 is an apocalyptic number.

20230144234 is a deficient number, since it is larger than the sum of its proper divisors (10333383446).

20230144234 is a wasteful number, since it uses less digits than its factorization.

20230144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72770444.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20230144234 its reverse (43244103202), we get a palindrome (63474247436).

The spelling of 20230144234 in words is "twenty billion, two hundred thirty million, one hundred forty-four thousand, two hundred thirty-four".

Divisors: 1 2 139 278 72770303 145540606 10115072117 20230144234