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12501142333 = 44212827673
BaseRepresentation
bin10111010010010000…
…00100101100111101
31012021020002211101121
423221020010230331
5201100243023313
65424250510541
7621534646051
oct135110045475
935236084347
1012501142333
115335629299
12250a735451
131242c29854
148683cdc61
154d276228d
hex2e9204b3d

12501142333 has 4 divisors (see below), whose sum is σ = 12503974428. Its totient is φ = 12498310240.

The previous prime is 12501142327. The next prime is 12501142393. The reversal of 12501142333 is 33324110521.

It is a happy number.

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 9425108889 + 3076033444 = 97083^2 + 55462^2 .

It is a cyclic number.

It is not a de Polignac number, because 12501142333 - 25 = 12501142301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12501142298 and 12501142307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501142393) 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, 1409416 + ... + 1418257.

It is an arithmetic number, because the mean of its divisors is an integer number (3125993607).

Almost surely, 212501142333 is an apocalyptic number.

It is an amenable number.

12501142333 is a deficient number, since it is larger than the sum of its proper divisors (2832095).

12501142333 is an equidigital number, since it uses as much as digits as its factorization.

12501142333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832094.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12501142333 its reverse (33324110521), we get a palindrome (45825252854).

The spelling of 12501142333 in words is "twelve billion, five hundred one million, one hundred forty-two thousand, three hundred thirty-three".

Divisors: 1 4421 2827673 12501142333