Base | Representation |
---|---|
bin | 101101011100000110… |
… | …010110100100001101 |
3 | 11122221020122010020120 |
4 | 231130012112210031 |
5 | 1244410142400141 |
6 | 34225210535153 |
7 | 3345025352223 |
oct | 553406264415 |
9 | 148836563216 |
10 | 48789809421 |
11 | 19767636a51 |
12 | 95577374b9 |
13 | 47a711b022 |
14 | 250bb0ab13 |
15 | 14084e4c66 |
hex | b5c19690d |
48789809421 has 4 divisors (see below), whose sum is σ = 65053079232. Its totient is φ = 32526539612.
The previous prime is 48789809381. The next prime is 48789809429. The reversal of 48789809421 is 12490898784.
It is a happy number.
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 48789809421 - 214 = 48789793037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48789809429) 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, 8131634901 + ... + 8131634906.
It is an arithmetic number, because the mean of its divisors is an integer number (16263269808).
Almost surely, 248789809421 is an apocalyptic number.
It is an amenable number.
48789809421 is a deficient number, since it is larger than the sum of its proper divisors (16263269811).
48789809421 is a wasteful number, since it uses less digits than its factorization.
48789809421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16263269810.
The product of its (nonzero) digits is 9289728, while the sum is 60.
The spelling of 48789809421 in words is "forty-eight billion, seven hundred eighty-nine million, eight hundred nine thousand, four hundred twenty-one".
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