Search a number
-
+
10310202191 = 28136691111
BaseRepresentation
bin10011001101000100…
…10011001101001111
3222121112110112112102
421212202103031033
5132103402432231
64423023225315
7513332162342
oct114642231517
928545415472
1010310202191
114410927563
121bb8a4823b
13c8404ab73
146db430459
15405234acb
hex26689334f

10310202191 has 4 divisors (see below), whose sum is σ = 10346893584. Its totient is φ = 10273510800.

The previous prime is 10310202179. The next prime is 10310202197. The reversal of 10310202191 is 19120201301.

10310202191 is digitally balanced in base 2, 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: 19120201301 = 28168043421.

It is a cyclic number.

It is not a de Polignac number, because 10310202191 - 214 = 10310185807 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 (10310202197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18345275 + ... + 18345836.

It is an arithmetic number, because the mean of its divisors is an integer number (2586723396).

Almost surely, 210310202191 is an apocalyptic number.

10310202191 is a deficient number, since it is larger than the sum of its proper divisors (36691393).

10310202191 is an equidigital number, since it uses as much as digits as its factorization.

10310202191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36691392.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10310202191 its reverse (19120201301), we get a palindrome (29430403492).

The spelling of 10310202191 in words is "ten billion, three hundred ten million, two hundred two thousand, one hundred ninety-one".

Divisors: 1 281 36691111 10310202191