Search a number
-
+
101210897 is a prime number
BaseRepresentation
bin1100000100001…
…01101100010001
321001110001020202
412002011230101
5201402222042
614013144545
72336164334
oct602055421
9231401222
10101210897
1152149277
1229a8b155
1317c78a08
14d62861b
158d43632
hex6085b11

101210897 has 2 divisors, whose sum is σ = 101210898. Its totient is φ = 101210896.

The previous prime is 101210849. The next prime is 101210903. The reversal of 101210897 is 798012101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63744256 + 37466641 = 7984^2 + 6121^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210897 - 210 = 101209873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101210807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605448 + 50605449.

It is an arithmetic number, because the mean of its divisors is an integer number (50605449).

Almost surely, 2101210897 is an apocalyptic number.

It is an amenable number.

101210897 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210897 is an equidigital number, since it uses as much as digits as its factorization.

101210897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 101210897 is about 10060.3626674191. The cubic root of 101210897 is about 466.0248671239.

Adding to 101210897 its reverse (798012101), we get a palindrome (899222998).

The spelling of 101210897 in words is "one hundred one million, two hundred ten thousand, eight hundred ninety-seven".