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101230957 is a prime number
BaseRepresentation
bin1100000100010…
…10100101101101
321001111001202201
412002022211231
5201403342312
614013421501
72336306662
oct602124555
9231431681
10101230957
1152162353
1229a9a891
1317c84b99
14d631a69
158d49557
hex608a96d

101230957 has 2 divisors, whose sum is σ = 101230958. Its totient is φ = 101230956.

The previous prime is 101230949. The next prime is 101230963. The reversal of 101230957 is 759032101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 42693156 = 7651^2 + 6534^2 .

It is an emirp because it is prime and its reverse (759032101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101230957 - 23 = 101230949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101230907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615478 + 50615479.

It is an arithmetic number, because the mean of its divisors is an integer number (50615479).

Almost surely, 2101230957 is an apocalyptic number.

It is an amenable number.

101230957 is a deficient number, since it is larger than the sum of its proper divisors (1).

101230957 is an equidigital number, since it uses as much as digits as its factorization.

101230957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 101230957 is about 10061.3595999745. The cubic root of 101230957 is about 466.0556537999.

The spelling of 101230957 in words is "one hundred one million, two hundred thirty thousand, nine hundred fifty-seven".