Search a number
-
+
12420702573 = 35507751813
BaseRepresentation
bin10111001000101010…
…01110000101101101
31012001121202001210020
423210111032011231
5200414144440243
65412254432353
7616540141566
oct134425160555
935047661706
1012420702573
1152a4187754
1224a78026b9
13122c374266
1485b85116d
154ca673283
hex2e454e16d

12420702573 has 8 divisors (see below), whose sum is σ = 16563966048. Its totient is φ = 8278953744.

The previous prime is 12420702563. The next prime is 12420702601. The reversal of 12420702573 is 37520702421.

12420702573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12420702573 - 213 = 12420694381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420702533) 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 7 ways as a sum of consecutive naturals, for example, 359386 + ... + 392427.

It is an arithmetic number, because the mean of its divisors is an integer number (2070495756).

Almost surely, 212420702573 is an apocalyptic number.

It is an amenable number.

12420702573 is a deficient number, since it is larger than the sum of its proper divisors (4143263475).

12420702573 is an equidigital number, since it uses as much as digits as its factorization.

12420702573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757323.

The product of its (nonzero) digits is 23520, while the sum is 33.

The spelling of 12420702573 in words is "twelve billion, four hundred twenty million, seven hundred two thousand, five hundred seventy-three".

Divisors: 1 3 5507 16521 751813 2255439 4140234191 12420702573