Base | Representation |
---|---|
bin | 1010010101110100… |
… | …01000000001011010 |
3 | 112022220112112001100 |
4 | 11022322020001122 |
5 | 42332214442430 |
6 | 2314520332230 |
7 | 254401554123 |
oct | 51272100132 |
9 | 15286475040 |
10 | 5551718490 |
11 | 23998892aa |
12 | 10ab314076 |
13 | 6a6251336 |
14 | 3a947b04a |
15 | 2275d8960 |
hex | 14ae8805a |
5551718490 has 192 divisors, whose sum is σ = 15764336640. Its totient is φ = 1350898560.
The previous prime is 5551718479. The next prime is 5551718503. The reversal of 5551718490 is 948171555.
5551718490 is a `hidden beast` number, since 5 + 551 + 7 + 1 + 8 + 4 + 90 = 666.
It is a super-3 number, since 3×55517184903 (a number of 30 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
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 95 ways as a sum of consecutive naturals, for example, 5384275 + ... + 5385305.
It is an arithmetic number, because the mean of its divisors is an integer number (82105920).
Almost surely, 25551718490 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5551718490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7882168320).
5551718490 is an abundant number, since it is smaller than the sum of its proper divisors (10212618150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5551718490 is a wasteful number, since it uses less digits than its factorization.
5551718490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1177 (or 1174 counting only the distinct ones).
The product of its (nonzero) digits is 252000, while the sum is 45.
The square root of 5551718490 is about 74509.8549857668. The cubic root of 5551718490 is about 1770.6897723354.
The spelling of 5551718490 in words is "five billion, five hundred fifty-one million, seven hundred eighteen thousand, four hundred ninety".
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