Search a number
-
+
12603700297 = 23297541001
BaseRepresentation
bin10111011110011110…
…10011010001001001
31012112101002022110201
423233033103101021
5201303021402142
65442353012201
7624221453626
oct135717232111
935471068421
1012603700297
115388507641
122538b54061
13125b257736
14877c8934d
154db76eab7
hex2ef3d3449

12603700297 has 4 divisors (see below), whose sum is σ = 12604264596. Its totient is φ = 12603136000.

The previous prime is 12603700279. The next prime is 12603700309. The reversal of 12603700297 is 79200730621.

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 6219530496 + 6384169801 = 78864^2 + 79901^2 .

It is a cyclic number.

It is not a de Polignac number, because 12603700297 - 223 = 12595311689 is a prime.

It is a super-2 number, since 2×126037002972 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12603700897) 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, 247204 + ... + 293797.

It is an arithmetic number, because the mean of its divisors is an integer number (3151066149).

Almost surely, 212603700297 is an apocalyptic number.

It is an amenable number.

12603700297 is a deficient number, since it is larger than the sum of its proper divisors (564299).

12603700297 is an equidigital number, since it uses as much as digits as its factorization.

12603700297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564298.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 12603700297 in words is "twelve billion, six hundred three million, seven hundred thousand, two hundred ninety-seven".

Divisors: 1 23297 541001 12603700297