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125510048047 = 667318808639
BaseRepresentation
bin111010011100011111…
…0110101100100101111
3102222222000022001110001
41310320332311210233
54024021033014142
6133354123525131
712032153543266
oct1647076654457
9388860261401
10125510048047
114925717183a
12203a90897a7
13bab2908727
1461090575dd
1533e8aac5b7
hex1d38fb592f

125510048047 has 4 divisors (see below), whose sum is σ = 125528863360. Its totient is φ = 125491232736.

The previous prime is 125510048023. The next prime is 125510048093. The reversal of 125510048047 is 740840015521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740840015521 = 1747614239161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125510048047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125510047997 and 125510048015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125510045047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9397647 + ... + 9410992.

It is an arithmetic number, because the mean of its divisors is an integer number (31382215840).

Almost surely, 2125510048047 is an apocalyptic number.

125510048047 is a deficient number, since it is larger than the sum of its proper divisors (18815313).

125510048047 is an equidigital number, since it uses as much as digits as its factorization.

125510048047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18815312.

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 125510048047 in words is "one hundred twenty-five billion, five hundred ten million, forty-eight thousand, forty-seven".

Divisors: 1 6673 18808639 125510048047