Base | Representation |
---|---|
bin | 101101011011100100… |
… | …000010001111000001 |
3 | 11122220121201001211000 |
4 | 231123210002033001 |
5 | 1244400342010444 |
6 | 34224250042213 |
7 | 3344556033300 |
oct | 553344021701 |
9 | 148817631730 |
10 | 48780813249 |
11 | 19762551aa3 |
12 | 9554719369 |
13 | 47a52bb34c |
14 | 250a848437 |
15 | 1407819469 |
hex | b5b9023c1 |
48780813249 has 48 divisors (see below), whose sum is σ = 84899283840. Its totient is φ = 27598687200.
The previous prime is 48780813241. The next prime is 48780813281. The reversal of 48780813249 is 94231808784.
It is a happy number.
48780813249 is a `hidden beast` number, since 487 + 80 + 81 + 3 + 2 + 4 + 9 = 666.
It is not a de Polignac number, because 48780813249 - 23 = 48780813241 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 48780813195 and 48780813204.
It is not an unprimeable number, because it can be changed into a prime (48780813241) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48909 + ... + 316154.
It is an arithmetic number, because the mean of its divisors is an integer number (1768735080).
Almost surely, 248780813249 is an apocalyptic number.
48780813249 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
It is an amenable number.
48780813249 is a deficient number, since it is larger than the sum of its proper divisors (36118470591).
48780813249 is a wasteful number, since it uses less digits than its factorization.
48780813249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365187 (or 365174 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 54.
The spelling of 48780813249 in words is "forty-eight billion, seven hundred eighty million, eight hundred thirteen thousand, two hundred forty-nine".
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