Base | Representation |
---|---|
bin | 1001100011101011… |
… | …11111101101001110 |
3 | 111020121021020121110 |
4 | 10301311333231032 |
5 | 41002042033304 |
6 | 2205055312450 |
7 | 241104345444 |
oct | 46165775516 |
9 | 14217236543 |
10 | 5131205454 |
11 | 21a3482671 |
12 | bb251b726 |
13 | 63a0a9c5b |
14 | 369696b94 |
15 | 200722289 |
hex | 131d7fb4e |
5131205454 has 16 divisors (see below), whose sum is σ = 10263238992. Its totient is φ = 1710263808.
The previous prime is 5131205423. The next prime is 5131205461. The reversal of 5131205454 is 4545021315.
It is a super-2 number, since 2×51312054542 = 52658538822318692232, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70752 + ... + 123564.
It is an arithmetic number, because the mean of its divisors is an integer number (641452437).
Almost surely, 25131205454 is an apocalyptic number.
5131205454 is an abundant number, since it is smaller than the sum of its proper divisors (5132033538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5131205454 is a wasteful number, since it uses less digits than its factorization.
5131205454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69011.
The product of its (nonzero) digits is 12000, while the sum is 30.
The square root of 5131205454 is about 71632.4329755733. The cubic root of 5131205454 is about 1724.8042014269.
Adding to 5131205454 its reverse (4545021315), we get a palindrome (9676226769).
The spelling of 5131205454 in words is "five billion, one hundred thirty-one million, two hundred five thousand, four hundred fifty-four".
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