Search a number
-
+
2023130525731 = 7289018646533
BaseRepresentation
bin11101011100001011111…
…110011111000000100011
321011102001110000022012021
4131130023332133000203
5231121332403310411
64145225140242311
7266111026505110
oct35341376370043
97142043008167
102023130525731
11710006491157
1228811a3a0397
13118a1b6943a3
146dcc4837907
153795d9c1a71
hex1d70bf9f023

2023130525731 has 4 divisors (see below), whose sum is σ = 2312149172272. Its totient is φ = 1734111879192.

The previous prime is 2023130525707. The next prime is 2023130525749. The reversal of 2023130525731 is 1375250313202.

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

It is a de Polignac number, because none of the positive numbers 2k-2023130525731 is a prime.

It is a super-2 number, since 2×20231305257312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023130525431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 144509323260 + ... + 144509323273.

It is an arithmetic number, because the mean of its divisors is an integer number (578037293068).

Almost surely, 22023130525731 is an apocalyptic number.

2023130525731 is a deficient number, since it is larger than the sum of its proper divisors (289018646541).

2023130525731 is an equidigital number, since it uses as much as digits as its factorization.

2023130525731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289018646540.

The product of its (nonzero) digits is 37800, while the sum is 34.

Adding to 2023130525731 its reverse (1375250313202), we get a palindrome (3398380838933).

The spelling of 2023130525731 in words is "two trillion, twenty-three billion, one hundred thirty million, five hundred twenty-five thousand, seven hundred thirty-one".

Divisors: 1 7 289018646533 2023130525731