Base | Representation |
---|---|
bin | 101101100111110000… |
… | …011111011011001000 |
3 | 11200102212200102010000 |
4 | 231213300133123020 |
5 | 1300310230431003 |
6 | 34300435123000 |
7 | 3352622034132 |
oct | 554760373310 |
9 | 150385612100 |
10 | 48985405128 |
11 | 19857a909a0 |
12 | 95b1143460 |
13 | 48087c272a |
14 | 2529aa4052 |
15 | 141a77e1a3 |
hex | b67c1f6c8 |
48985405128 has 80 divisors (see below), whose sum is σ = 149677648560. Its totient is φ = 14844060000.
The previous prime is 48985405127. The next prime is 48985405151. The reversal of 48985405128 is 82150458984.
48985405128 is a `hidden beast` number, since 4 + 8 + 9 + 85 + 40 + 512 + 8 = 666.
It is a super-3 number, since 3×489854051283 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (48985405127) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3428998 + ... + 3443253.
It is an arithmetic number, because the mean of its divisors is an integer number (1870970607).
Almost surely, 248985405128 is an apocalyptic number.
It is an amenable number.
48985405128 is an abundant number, since it is smaller than the sum of its proper divisors (100692243432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48985405128 is a wasteful number, since it uses less digits than its factorization.
48985405128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6872280 (or 6872267 counting only the distinct ones).
The product of its (nonzero) digits is 3686400, while the sum is 54.
The spelling of 48985405128 in words is "forty-eight billion, nine hundred eighty-five million, four hundred five thousand, one hundred twenty-eight".
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