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10138811 is a prime number
BaseRepresentation
bin100110101011…
…010010111011
3201002002211112
4212223102323
510043420221
61001150535
7152115134
oct46532273
921062745
1010138811
1157a5491
12348b44b
13213cac7
1414bcc8b
15d5415b
hex9ab4bb

10138811 has 2 divisors, whose sum is σ = 10138812. Its totient is φ = 10138810.

The previous prime is 10138801. The next prime is 10138813. The reversal of 10138811 is 11883101.

10138811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10138811 - 26 = 10138747 is a prime.

It is a Sophie Germain prime.

Together with 10138813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10138813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069405 + 5069406.

It is an arithmetic number, because the mean of its divisors is an integer number (5069406).

Almost surely, 210138811 is an apocalyptic number.

10138811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138811 is an equidigital number, since it uses as much as digits as its factorization.

10138811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 10138811 is about 3184.1499650613. The cubic root of 10138811 is about 216.4357558369.

The spelling of 10138811 in words is "ten million, one hundred thirty-eight thousand, eight hundred eleven".