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20231001757 is a prime number
BaseRepresentation
bin10010110101110111…
…001001011010011101
31221012221012101002101
4102311313021122131
5312413114024012
613143300325101
71314225451261
oct226567113235
957187171071
1020231001757
11864196706a
123b073a3791
131ba54c7b75
14d9cc580a1
157d619ad57
hex4b5dc969d

20231001757 has 2 divisors, whose sum is σ = 20231001758. Its totient is φ = 20231001756.

The previous prime is 20231001737. The next prime is 20231001761. The reversal of 20231001757 is 75710013202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20207759716 + 23242041 = 142154^2 + 4821^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231001757 - 27 = 20231001629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231001737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115500878 + 10115500879.

It is an arithmetic number, because the mean of its divisors is an integer number (10115500879).

Almost surely, 220231001757 is an apocalyptic number.

It is an amenable number.

20231001757 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231001757 is an equidigital number, since it uses as much as digits as its factorization.

20231001757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

Adding to 20231001757 its reverse (75710013202), we get a palindrome (95941014959).

The spelling of 20231001757 in words is "twenty billion, two hundred thirty-one million, one thousand, seven hundred fifty-seven".