Base | Representation |
---|---|
bin | 1001000111110010… |
… | …1000100100100010 |
3 | 20022122110022120200 |
4 | 2101330220210202 |
5 | 20003314404023 |
6 | 1042545450030 |
7 | 114451452450 |
oct | 22174504442 |
9 | 6278408520 |
10 | 2448591138 |
11 | 1047190844 |
12 | 584040916 |
13 | 30039c9c6 |
14 | 1932ab9d0 |
15 | e4e73743 |
hex | 91f28922 |
2448591138 has 48 divisors (see below), whose sum is σ = 6098279616. Its totient is φ = 695547360.
The previous prime is 2448591121. The next prime is 2448591163. The reversal of 2448591138 is 8311958442.
2448591138 is a `hidden beast` number, since 2 + 4 + 48 + 591 + 13 + 8 = 666.
It is a super-2 number, since 2×24485911382 = 11991197122184270088, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2448591093 and 2448591102.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34368 + ... + 77963.
It is an arithmetic number, because the mean of its divisors is an integer number (127047492).
Almost surely, 22448591138 is an apocalyptic number.
2448591138 is an abundant number, since it is smaller than the sum of its proper divisors (3649688478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2448591138 is a wasteful number, since it uses less digits than its factorization.
2448591138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112519 (or 112516 counting only the distinct ones).
The product of its digits is 276480, while the sum is 45.
The square root of 2448591138 is about 49483.2409811645. The cubic root of 2448591138 is about 1347.8412940124.
The spelling of 2448591138 in words is "two billion, four hundred forty-eight million, five hundred ninety-one thousand, one hundred thirty-eight".
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