Base | Representation |
---|---|
bin | 1001100000011101… |
… | …10010101010110101 |
3 | 111011201100202011211 |
4 | 10300032302222311 |
5 | 40423130314341 |
6 | 2202251401421 |
7 | 240325366231 |
oct | 46016625265 |
9 | 14151322154 |
10 | 5104151221 |
11 | 218a1843a4 |
12 | ba5453271 |
13 | 6345c6a30 |
14 | 365c535c1 |
15 | 1ed17b181 |
hex | 1303b2ab5 |
5104151221 has 8 divisors (see below), whose sum is σ = 5645340344. Its totient is φ = 4584185280.
The previous prime is 5104151201. The next prime is 5104151231. The reversal of 5104151221 is 1221514015.
It can be written as a sum of positive squares in 4 ways, for example, as 310112100 + 4794039121 = 17610^2 + 69239^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5104151221 - 225 = 5070596789 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 5104151192 and 5104151201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5104151201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5305290 + ... + 5306251.
It is an arithmetic number, because the mean of its divisors is an integer number (705667543).
Almost surely, 25104151221 is an apocalyptic number.
It is an amenable number.
5104151221 is a deficient number, since it is larger than the sum of its proper divisors (541189123).
5104151221 is a wasteful number, since it uses less digits than its factorization.
5104151221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10611591.
The product of its (nonzero) digits is 400, while the sum is 22.
The square root of 5104151221 is about 71443.3427339455. The cubic root of 5104151221 is about 1721.7675201663.
Adding to 5104151221 its reverse (1221514015), we get a palindrome (6325665236).
The spelling of 5104151221 in words is "five billion, one hundred four million, one hundred fifty-one thousand, two hundred twenty-one".
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