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57102270101 is a prime number
BaseRepresentation
bin110101001011100011…
…110111111010010101
312110101112222212121122
4311023203313322111
51413421140120401
642122111453325
74061022200402
oct651343677225
9173345885548
1057102270101
1122242819768
12b097527245
135500302806
142a99aad2a9
15174316121b
hexd4b8f7e95

57102270101 has 2 divisors, whose sum is σ = 57102270102. Its totient is φ = 57102270100.

The previous prime is 57102270097. The next prime is 57102270107. The reversal of 57102270101 is 10107220175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51710305201 + 5391964900 = 227399^2 + 73430^2 .

It is a cyclic number.

It is not a de Polignac number, because 57102270101 - 22 = 57102270097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57102270107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28551135050 + 28551135051.

It is an arithmetic number, because the mean of its divisors is an integer number (28551135051).

Almost surely, 257102270101 is an apocalyptic number.

It is an amenable number.

57102270101 is a deficient number, since it is larger than the sum of its proper divisors (1).

57102270101 is an equidigital number, since it uses as much as digits as its factorization.

57102270101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 26.

Adding to 57102270101 its reverse (10107220175), we get a palindrome (67209490276).

The spelling of 57102270101 in words is "fifty-seven billion, one hundred two million, two hundred seventy thousand, one hundred one".