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12341278106945 = 52468255621389
BaseRepresentation
bin1011001110010110110101…
…1111110110010101000001
31121200210222220001020011022
42303211231133312111001
53104144414143410240
642125301020155225
72412425243034104
oct263455537662501
947623886036138
1012341278106945
113a289a7833877
1214739a5098b15
136b6a15311a38
1430946cd5073b
151660593ce9b5
hexb396d7f6541

12341278106945 has 4 divisors (see below), whose sum is σ = 14809533728340. Its totient is φ = 9873022485552.

The previous prime is 12341278106933. The next prime is 12341278106987. The reversal of 12341278106945 is 54960187214321.

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 6602551228849 + 5738726878096 = 2569543^2 + 2395564^2 .

It is a cyclic number.

It is not a de Polignac number, because 12341278106945 - 240 = 11241766479169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234127810690 + ... + 1234127810699.

It is an arithmetic number, because the mean of its divisors is an integer number (3702383432085).

It is a 1-persistent number, because it is pandigital, but 2⋅12341278106945 = 24682556213890 is not.

Almost surely, 212341278106945 is an apocalyptic number.

It is an amenable number.

12341278106945 is a deficient number, since it is larger than the sum of its proper divisors (2468255621395).

12341278106945 is an equidigital number, since it uses as much as digits as its factorization.

12341278106945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468255621394.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 12341278106945 in words is "twelve trillion, three hundred forty-one billion, two hundred seventy-eight million, one hundred six thousand, nine hundred forty-five".

Divisors: 1 5 2468255621389 12341278106945