Search a number
-
+
12503832703 = 12799776257
BaseRepresentation
bin10111010010100100…
…10101100001111111
31012021102011111212221
423221102111201333
5201101440121303
65424424310211
7621566552515
oct135122254177
935242144787
1012503832703
1153370a663a
12250b612367
13124365c29b
148688d04b5
154d2ae44bd
hex2e949587f

12503832703 has 4 divisors (see below), whose sum is σ = 12513610240. Its totient is φ = 12494055168.

The previous prime is 12503832659. The next prime is 12503832727. The reversal of 12503832703 is 30723830521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30723830521 = 107287138603.

It is a cyclic number.

It is not a de Polignac number, because 12503832703 - 29 = 12503832191 is a prime.

It is a super-2 number, since 2×125038327032 (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503832773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886850 + ... + 4889407.

It is an arithmetic number, because the mean of its divisors is an integer number (3128402560).

Almost surely, 212503832703 is an apocalyptic number.

12503832703 is a deficient number, since it is larger than the sum of its proper divisors (9777537).

12503832703 is an equidigital number, since it uses as much as digits as its factorization.

12503832703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9777536.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 12503832703 in words is "twelve billion, five hundred three million, eight hundred thirty-two thousand, seven hundred three".

Divisors: 1 1279 9776257 12503832703