Search a number
-
+
10085101 = 13775777
BaseRepresentation
bin100110011110…
…001011101101
3200222101011021
4212132023231
510040210401
61000054141
7151502425
oct46361355
920871137
1010085101
1157690a4
123464351
132121520
1414a7485
15d432a1
hex99e2ed

10085101 has 4 divisors (see below), whose sum is σ = 10860892. Its totient is φ = 9309312.

The previous prime is 10085099. The next prime is 10085107. The reversal of 10085101 is 10158001.

10085101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10158001 = 71451143.

It can be written as a sum of positive squares in 2 ways, for example, as 6375625 + 3709476 = 2525^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 10085101 - 21 = 10085099 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 (10085107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387876 + ... + 387901.

It is an arithmetic number, because the mean of its divisors is an integer number (2715223).

Almost surely, 210085101 is an apocalyptic number.

It is an amenable number.

10085101 is a deficient number, since it is larger than the sum of its proper divisors (775791).

10085101 is an equidigital number, since it uses as much as digits as its factorization.

10085101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775790.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 10085101 is about 3175.7048036617. The cubic root of 10085101 is about 216.0528919970.

Subtracting 10085101 from its reverse (10158001), we obtain a square (72900 = 2702).

The spelling of 10085101 in words is "ten million, eighty-five thousand, one hundred one".

Divisors: 1 13 775777 10085101