Search a number
-
+
10031201205 = 351315104937
BaseRepresentation
bin10010101011110011…
…11111101110110101
3221220002110211010120
421111321333232311
5131020441414310
64335215242153
7503403542364
oct112571775665
927802424116
1010031201205
114288395a33
121b3b519359
13c3b2c311c
146b23657db
153da9c2b70
hex255e7fbb5

10031201205 has 16 divisors (see below), whose sum is σ = 16172443584. Its totient is φ = 5309133440.

The previous prime is 10031201189. The next prime is 10031201227. The reversal of 10031201205 is 50210213001.

10031201205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10031201205 - 24 = 10031201189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2550504 + ... + 2554433.

It is an arithmetic number, because the mean of its divisors is an integer number (1010777724).

Almost surely, 210031201205 is an apocalyptic number.

10031201205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10031201205 is a deficient number, since it is larger than the sum of its proper divisors (6141242379).

10031201205 is a wasteful number, since it uses less digits than its factorization.

10031201205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105076.

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 10031201205 its reverse (50210213001), we get a palindrome (60241414206).

The spelling of 10031201205 in words is "ten billion, thirty-one million, two hundred one thousand, two hundred five".

Divisors: 1 3 5 15 131 393 655 1965 5104937 15314811 25524685 76574055 668746747 2006240241 3343733735 10031201205