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48128794447 = 1031912446439
BaseRepresentation
bin101100110100101100…
…110001111101001111
311121020011211002011111
4230310230301331033
51242031432410242
634035435032451
73322451000656
oct546454617517
9147204732144
1048128794447
11194584a4688
1293b229b727
1347001ab4c6
14248800019d
1513ba473817
hexb34b31f4f

48128794447 has 8 divisors (see below), whose sum is σ = 48850513920. Its totient is φ = 47411968440.

The previous prime is 48128794411. The next prime is 48128794459. The reversal of 48128794447 is 74449782184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48128794447 - 231 = 45981310799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48128794391 and 48128794400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48128794477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203547 + ... + 1242892.

It is an arithmetic number, because the mean of its divisors is an integer number (6106314240).

Almost surely, 248128794447 is an apocalyptic number.

48128794447 is a deficient number, since it is larger than the sum of its proper divisors (721719473).

48128794447 is a wasteful number, since it uses less digits than its factorization.

48128794447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446733.

The product of its digits is 14450688, while the sum is 58.

The spelling of 48128794447 in words is "forty-eight billion, one hundred twenty-eight million, seven hundred ninety-four thousand, four hundred forty-seven".

Divisors: 1 103 191 19673 2446439 251983217 467269849 48128794447