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48427758681 = 316142586227
BaseRepresentation
bin101101000110100001…
…001111010001011001
311122000000101000222220
4231012201033101121
51243140001234211
634125234534253
73333041104551
oct550641172131
9148000330886
1048427758681
11195a1230965
129476437389
13474a105a13
1424b59c4161
1513d682a806
hexb4684f459

48427758681 has 4 divisors (see below), whose sum is σ = 64570344912. Its totient is φ = 32285172452.

The previous prime is 48427758667. The next prime is 48427758697. The reversal of 48427758681 is 18685772484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48427758681 - 223 = 48419370073 is a prime.

It is a super-2 number, since 2×484277586812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48427758641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8071293111 + ... + 8071293116.

It is an arithmetic number, because the mean of its divisors is an integer number (16142586228).

Almost surely, 248427758681 is an apocalyptic number.

It is an amenable number.

48427758681 is a deficient number, since it is larger than the sum of its proper divisors (16142586231).

48427758681 is a wasteful number, since it uses less digits than its factorization.

48427758681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142586230.

The product of its digits is 24084480, while the sum is 60.

The spelling of 48427758681 in words is "forty-eight billion, four hundred twenty-seven million, seven hundred fifty-eight thousand, six hundred eighty-one".

Divisors: 1 3 16142586227 48427758681