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12501143041 = 25314939211
BaseRepresentation
bin10111010010010000…
…00100111000000001
31012021020002212100211
423221020010320001
5201100243034131
65424250514121
7621534651112
oct135110047001
935236085324
1012501143041
115335629882
12250a735941
131242c29c7a
148683d0209
154d27625b1
hex2e9204e01

12501143041 has 4 divisors (see below), whose sum is σ = 12506084784. Its totient is φ = 12496201300.

The previous prime is 12501143021. The next prime is 12501143093. The reversal of 12501143041 is 14034110521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12501143041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12501143021) 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, 2467075 + ... + 2472136.

It is an arithmetic number, because the mean of its divisors is an integer number (3126521196).

Almost surely, 212501143041 is an apocalyptic number.

It is an amenable number.

12501143041 is a deficient number, since it is larger than the sum of its proper divisors (4941743).

12501143041 is an equidigital number, since it uses as much as digits as its factorization.

12501143041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941742.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 12501143041 its reverse (14034110521), we get a palindrome (26535253562).

The spelling of 12501143041 in words is "twelve billion, five hundred one million, one hundred forty-three thousand, forty-one".

Divisors: 1 2531 4939211 12501143041