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48943520617 = 61802352797
BaseRepresentation
bin101101100101010000…
…101101101101101001
311200022221212110100211
4231211100231231221
51300214020124432
634252341301121
73351603026635
oct554520555551
9150287773324
1048943520617
11198363834a2
12959b1047a1
1347ccc191b4
1425242bddc5
151416c58d47
hexb6542db69

48943520617 has 4 divisors (see below), whose sum is σ = 49745873476. Its totient is φ = 48141167760.

The previous prime is 48943520579. The next prime is 48943520627. The reversal of 48943520617 is 71602534984.

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 5706140521 + 43237380096 = 75539^2 + 207936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48943520617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48943520627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401176338 + ... + 401176459.

It is an arithmetic number, because the mean of its divisors is an integer number (12436468369).

It is a 1-persistent number, because it is pandigital, but 2⋅48943520617 = 97887041234 is not.

Almost surely, 248943520617 is an apocalyptic number.

It is an amenable number.

48943520617 is a deficient number, since it is larger than the sum of its proper divisors (802352859).

48943520617 is an equidigital number, since it uses as much as digits as its factorization.

48943520617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802352858.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 48943520617 in words is "forty-eight billion, nine hundred forty-three million, five hundred twenty thousand, six hundred seventeen".

Divisors: 1 61 802352797 48943520617