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202330112981 is a prime number
BaseRepresentation
bin1011110001101111010…
…0001000001111010101
3201100020201210200121012
42330123310020033111
511303333002103411
6232541004302005
720421633404213
oct2743364101725
9640221720535
10202330112981
117889808a607
1233267b41905
1316105ca8859
149b1574bcb3
1553e2ce318b
hex2f1bd083d5

202330112981 has 2 divisors, whose sum is σ = 202330112982. Its totient is φ = 202330112980.

The previous prime is 202330112977. The next prime is 202330113127. The reversal of 202330112981 is 189211033202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179471696881 + 22858416100 = 423641^2 + 151190^2 .

It is a cyclic number.

It is not a de Polignac number, because 202330112981 - 22 = 202330112977 is a prime.

It is a super-2 number, since 2×2023301129812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202330112081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101165056490 + 101165056491.

It is an arithmetic number, because the mean of its divisors is an integer number (101165056491).

Almost surely, 2202330112981 is an apocalyptic number.

It is an amenable number.

202330112981 is a deficient number, since it is larger than the sum of its proper divisors (1).

202330112981 is an equidigital number, since it uses as much as digits as its factorization.

202330112981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 202330112981 in words is "two hundred two billion, three hundred thirty million, one hundred twelve thousand, nine hundred eighty-one".