Base | Representation |
---|---|
bin | 1001011111111111… |
… | …00000100110010000 |
3 | 111011102211012201202 |
4 | 10233333200212100 |
5 | 40421114120130 |
6 | 2202025450332 |
7 | 240246342344 |
oct | 45777404620 |
9 | 14142735652 |
10 | 5100145040 |
11 | 2187998501 |
12 | ba40409a8 |
13 | 633823403 |
14 | 3654cd624 |
15 | 1ecb39145 |
hex | 12ffe0990 |
5100145040 has 20 divisors (see below), whose sum is σ = 11857837404. Its totient is φ = 2040057984.
The previous prime is 5100145033. The next prime is 5100145081. The reversal of 5100145040 is 405410015.
It can be written as a sum of positive squares in 2 ways, for example, as 1002608896 + 4097536144 = 31664^2 + 64012^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×51001450402 = 52022958858073203200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31875827 + ... + 31875986.
Almost surely, 25100145040 is an apocalyptic number.
It is an amenable number.
5100145040 is an abundant number, since it is smaller than the sum of its proper divisors (6757692364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5100145040 is a wasteful number, since it uses less digits than its factorization.
5100145040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63751826 (or 63751820 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 5100145040 is about 71415.2997613257. The cubic root of 5100145040 is about 1721.3169380515.
Adding to 5100145040 its reverse (405410015), we get a palindrome (5505555055).
The spelling of 5100145040 in words is "five billion, one hundred million, one hundred forty-five thousand, forty".
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