Search a number
-
+
10211051705 = 52042210341
BaseRepresentation
bin10011000001010000…
…00100100010111001
3222100121220011122012
421200220010202321
5131403012123310
64405122135305
7511016336021
oct114050044271
928317804565
1010211051705
11436a966308
121b8b7b1535
13c69643c3a
146cc1c0a81
153eb69bc05
hex260a048b9

10211051705 has 4 divisors (see below), whose sum is σ = 12253262052. Its totient is φ = 8168841360.

The previous prime is 10211051689. The next prime is 10211051713. The reversal of 10211051705 is 50715011201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7478271529 + 2732780176 = 86477^2 + 52276^2 .

It is not a de Polignac number, because 10211051705 - 24 = 10211051689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021105166 + ... + 1021105175.

It is an arithmetic number, because the mean of its divisors is an integer number (3063315513).

Almost surely, 210211051705 is an apocalyptic number.

It is an amenable number.

10211051705 is a deficient number, since it is larger than the sum of its proper divisors (2042210347).

10211051705 is an equidigital number, since it uses as much as digits as its factorization.

10211051705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042210346.

The product of its (nonzero) digits is 350, while the sum is 23.

Adding to 10211051705 its reverse (50715011201), we get a palindrome (60926062906).

The spelling of 10211051705 in words is "ten billion, two hundred eleven million, fifty-one thousand, seven hundred five".

Divisors: 1 5 2042210341 10211051705