Search a number
-
+
10320442001 = 30013439001
BaseRepresentation
bin10011001110010010…
…10111001010010001
3222122020201202220122
421213021113022101
5132114013121001
64424030520025
7513515211122
oct114711271221
928566652818
1010320442001
114416690911
122000366015
13c861c491c
146dc938049
154060a8b1b
hex267257291

10320442001 has 4 divisors (see below), whose sum is σ = 10323884004. Its totient is φ = 10317000000.

The previous prime is 10320441979. The next prime is 10320442043. The reversal of 10320442001 is 10024402301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10024402301 = 59316904557.

It can be written as a sum of positive squares in 2 ways, for example, as 2782035025 + 7538406976 = 52745^2 + 86824^2 .

It is a cyclic number.

It is not a de Polignac number, because 10320442001 - 226 = 10253333137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10320445001) 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, 1716500 + ... + 1722501.

It is an arithmetic number, because the mean of its divisors is an integer number (2580971001).

Almost surely, 210320442001 is an apocalyptic number.

It is an amenable number.

10320442001 is a deficient number, since it is larger than the sum of its proper divisors (3442003).

10320442001 is an equidigital number, since it uses as much as digits as its factorization.

10320442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442002.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10320442001 its reverse (10024402301), we get a palindrome (20344844302).

The spelling of 10320442001 in words is "ten billion, three hundred twenty million, four hundred forty-two thousand, one".

Divisors: 1 3001 3439001 10320442001