Base | Representation |
---|---|
bin | 101101010010011111… |
… | …011111010000110001 |
3 | 11122112000100011211001 |
4 | 231102133133100301 |
5 | 1244042412021411 |
6 | 34201212122001 |
7 | 3341030335141 |
oct | 552237372061 |
9 | 148460304731 |
10 | 48628626481 |
11 | 19694656906 |
12 | 9511766301 |
13 | 477c904cc6 |
14 | 24d4550921 |
15 | 13e92a6dc1 |
hex | b527df431 |
48628626481 has 4 divisors (see below), whose sum is σ = 50305475700. Its totient is φ = 46951777264.
The previous prime is 48628626457. The next prime is 48628626491. The reversal of 48628626481 is 18462682684.
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 17081183025 + 31547443456 = 130695^2 + 177616^2 .
It is a cyclic number.
It is not a de Polignac number, because 48628626481 - 213 = 48628618289 is a prime.
It is a super-2 number, since 2×486286264812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48628626421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838424566 + ... + 838424623.
It is an arithmetic number, because the mean of its divisors is an integer number (12576368925).
Almost surely, 248628626481 is an apocalyptic number.
It is an amenable number.
48628626481 is a deficient number, since it is larger than the sum of its proper divisors (1676849219).
48628626481 is a wasteful number, since it uses less digits than its factorization.
48628626481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1676849218.
The product of its digits is 7077888, while the sum is 55.
The spelling of 48628626481 in words is "forty-eight billion, six hundred twenty-eight million, six hundred twenty-six thousand, four hundred eighty-one".
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