Base | Representation |
---|---|
bin | 1001010001110101… |
… | …11101110000000100 |
3 | 110212011121002110122 |
4 | 10220322331300010 |
5 | 40200231410340 |
6 | 2142151041112 |
7 | 234306110105 |
oct | 45072756004 |
9 | 13764532418 |
10 | 4981513220 |
11 | 2126a30682 |
12 | b70370198 |
13 | 615088178 |
14 | 35384c3ac |
15 | 1e2503db5 |
hex | 128ebdc04 |
4981513220 has 12 divisors (see below), whose sum is σ = 10461177804. Its totient is φ = 1992605280.
The previous prime is 4981513189. The next prime is 4981513231. The reversal of 4981513220 is 223151894.
It can be written as a sum of positive squares in 2 ways, for example, as 2512615876 + 2468897344 = 50126^2 + 49688^2 .
It is a super-2 number, since 2×49815132202 = 49630947922069536800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124537811 + ... + 124537850.
It is an arithmetic number, because the mean of its divisors is an integer number (871764817).
Almost surely, 24981513220 is an apocalyptic number.
It is an amenable number.
4981513220 is an abundant number, since it is smaller than the sum of its proper divisors (5479664584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4981513220 is a wasteful number, since it uses less digits than its factorization.
4981513220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249075670 (or 249075668 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 4981513220 is about 70579.8357889844. The cubic root of 4981513220 is about 1707.8658807056.
The spelling of 4981513220 in words is "four billion, nine hundred eighty-one million, five hundred thirteen thousand, two hundred twenty".
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