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238347881053 is a prime number
BaseRepresentation
bin1101110111111010100…
…1000000101001011101
3211210012212120212212021
43131332221000221131
512401114024143203
6301255010140141
723135324363332
oct3357651005135
9753185525767
10238347881053
11920a018a887
123a23a281651
131962601ac59
14b7710ac989
1562eedb45bd
hex377ea40a5d

238347881053 has 2 divisors, whose sum is σ = 238347881054. Its totient is φ = 238347881052.

The previous prime is 238347881033. The next prime is 238347881077. The reversal of 238347881053 is 350188743832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144615160089 + 93732720964 = 380283^2 + 306158^2 .

It is a cyclic number.

It is not a de Polignac number, because 238347881053 - 229 = 237811010141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238347881033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119173940526 + 119173940527.

It is an arithmetic number, because the mean of its divisors is an integer number (119173940527).

Almost surely, 2238347881053 is an apocalyptic number.

It is an amenable number.

238347881053 is a deficient number, since it is larger than the sum of its proper divisors (1).

238347881053 is an equidigital number, since it uses as much as digits as its factorization.

238347881053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 238347881053 in words is "two hundred thirty-eight billion, three hundred forty-seven million, eight hundred eighty-one thousand, fifty-three".