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101127413 = 397254729
BaseRepresentation
bin1100000011100…
…01010011110101
321001021210201202
412001301103311
5201342034123
614011302245
72335366052
oct601612365
9231253652
10101127413
11520a1582
1229a4a985
1317c49a0a
14d606029
158d28a28
hex60714f5

101127413 has 4 divisors (see below), whose sum is σ = 101382540. Its totient is φ = 100872288.

The previous prime is 101127349. The next prime is 101127421. The reversal of 101127413 is 314721101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314721101 = 1572004593.

It can be written as a sum of positive squares in 2 ways, for example, as 25472209 + 75655204 = 5047^2 + 8698^2 .

It is a cyclic number.

It is not a de Polignac number, because 101127413 - 26 = 101127349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101127613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126968 + ... + 127761.

It is an arithmetic number, because the mean of its divisors is an integer number (25345635).

Almost surely, 2101127413 is an apocalyptic number.

It is an amenable number.

101127413 is a deficient number, since it is larger than the sum of its proper divisors (255127).

101127413 is an equidigital number, since it uses as much as digits as its factorization.

101127413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255126.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 101127413 is about 10056.2126568604. The cubic root of 101127413 is about 465.8966980460.

Adding to 101127413 its reverse (314721101), we get a palindrome (415848514).

The spelling of 101127413 in words is "one hundred one million, one hundred twenty-seven thousand, four hundred thirteen".

Divisors: 1 397 254729 101127413