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20231030122 = 210115515061
BaseRepresentation
bin10010110101110111…
…010000010101101010
31221012221020210222221
4102311313100111222
5312413120430442
613143301104254
71314225630052
oct226567202552
957187223887
1020231030122
118641986406
123b073b808a
131ba5507a54
14d9cc64562
157d61a4467
hex4b5dd056a

20231030122 has 4 divisors (see below), whose sum is σ = 30346545186. Its totient is φ = 10115515060.

The previous prime is 20231030117. The next prime is 20231030143. The reversal of 20231030122 is 22103013202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15435329121 + 4795701001 = 124239^2 + 69251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20231030096 and 20231030105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057757529 + ... + 5057757532.

Almost surely, 220231030122 is an apocalyptic number.

20231030122 is a deficient number, since it is larger than the sum of its proper divisors (10115515064).

20231030122 is a wasteful number, since it uses less digits than its factorization.

20231030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115515063.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20231030122 its reverse (22103013202), we get a palindrome (42334043324).

The spelling of 20231030122 in words is "twenty billion, two hundred thirty-one million, thirty thousand, one hundred twenty-two".

Divisors: 1 2 10115515061 20231030122