Base | Representation |
---|---|
bin | 101100110100000100… |
… | …101011011001110000 |
3 | 11121012110000222120200 |
4 | 230310010223121300 |
5 | 1242021240004330 |
6 | 34034421435200 |
7 | 3322262434656 |
oct | 546404533160 |
9 | 147173028520 |
10 | 48118281840 |
11 | 19452574382 |
12 | 93aa86bb00 |
13 | 46cac6a525 |
14 | 2486864dd6 |
15 | 13b9598a60 |
hex | b3412b670 |
48118281840 has 120 divisors (see below), whose sum is σ = 166810121088. Its totient is φ = 12417615360.
The previous prime is 48118281791. The next prime is 48118281847. The reversal of 48118281840 is 4818281184.
48118281840 is a `hidden beast` number, since 481 + 18 + 2 + 81 + 84 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (120).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48118281847) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1055599 + ... + 1100238.
Almost surely, 248118281840 is an apocalyptic number.
48118281840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
48118281840 is an abundant number, since it is smaller than the sum of its proper divisors (118691839248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48118281840 is a wasteful number, since it uses less digits than its factorization.
48118281840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2155887 (or 2155878 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 45.
The spelling of 48118281840 in words is "forty-eight billion, one hundred eighteen million, two hundred eighty-one thousand, eight hundred forty".
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