Base | Representation |
---|---|
bin | 101101011011100011… |
… | …011001100000010100 |
3 | 11122220121101120222011 |
4 | 231123203121200110 |
5 | 1244400321141140 |
6 | 34224242314004 |
7 | 3344554440022 |
oct | 553343314024 |
9 | 148817346864 |
10 | 48780646420 |
11 | 19762448720 |
12 | 9554658904 |
13 | 47a526042c |
14 | 250a803712 |
15 | 14077d4cea |
hex | b5b8d9814 |
48780646420 has 48 divisors (see below), whose sum is σ = 111767947200. Its totient is φ = 17735889920.
The previous prime is 48780646399. The next prime is 48780646441. The reversal of 48780646420 is 2464608784.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (48780646399) and next prime (48780646441).
It is a zygodrome in base 7.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 2305851 + ... + 2326909.
It is an arithmetic number, because the mean of its divisors is an integer number (2328498900).
Almost surely, 248780646420 is an apocalyptic number.
It is an amenable number.
48780646420 is an abundant number, since it is smaller than the sum of its proper divisors (62987300780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48780646420 is a wasteful number, since it uses less digits than its factorization.
48780646420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31608 (or 31606 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 49.
The spelling of 48780646420 in words is "forty-eight billion, seven hundred eighty million, six hundred forty-six thousand, four hundred twenty".
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