Base | Representation |
---|---|
bin | 1001010010001111… |
… | …01110000111111001 |
3 | 110212101212222101100 |
4 | 10221013232013321 |
5 | 40202110411311 |
6 | 2142350442013 |
7 | 234346405011 |
oct | 45107560771 |
9 | 13771788340 |
10 | 4984857081 |
11 | 21289049a6 |
12 | b71503309 |
13 | 615989199 |
14 | 35407cc41 |
15 | 1e2964a56 |
hex | 1291ee1f9 |
4984857081 has 12 divisors (see below), whose sum is σ = 7579315120. Its totient is φ = 3148330680.
The previous prime is 4984857019. The next prime is 4984857167. The reversal of 4984857081 is 1807584894.
4984857081 is a `hidden beast` number, since 4 + 98 + 485 + 70 + 8 + 1 = 666.
It is a de Polignac number, because none of the positive numbers 2k-4984857081 is a prime.
It is a super-2 number, since 2×49848570812 = 49697600235991681122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4984857281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14575435 + ... + 14575776.
Almost surely, 24984857081 is an apocalyptic number.
It is an amenable number.
4984857081 is a deficient number, since it is larger than the sum of its proper divisors (2594458039).
4984857081 is a wasteful number, since it uses less digits than its factorization.
4984857081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29151236 (or 29151233 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 54.
The square root of 4984857081 is about 70603.5203159163. The cubic root of 4984857081 is about 1708.2479325388.
It can be divided in two parts, 49848 and 57081, that added together give a square (106929 = 3272).
The spelling of 4984857081 in words is "four billion, nine hundred eighty-four million, eight hundred fifty-seven thousand, eighty-one".
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