Base | Representation |
---|---|
bin | 101111101110011001… |
… | …011011001000010000 |
3 | 11220021022011021011121 |
4 | 233232121123020100 |
5 | 1314422014014014 |
6 | 35312530452024 |
7 | 3462611133121 |
oct | 575631331020 |
9 | 156238137147 |
10 | 51244282384 |
11 | 1a8070748a9 |
12 | 9b21734014 |
13 | 4aa8799ca9 |
14 | 26a1aaa048 |
15 | 14edc2b124 |
hex | bee65b210 |
51244282384 has 45 divisors (see below), whose sum is σ = 105501379207. Its totient is φ = 24107712512.
The previous prime is 51244282363. The next prime is 51244282421. The reversal of 51244282384 is 48328244215.
The square root of 51244282384 is 226372.
It is a perfect power (a square), and thus also a powerful number.
51244282384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1725571600 + 49518710784 = 41540^2 + 222528^2 .
It is a super-2 number, since 2×512442823842 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 51244282384.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15391632 + ... + 15394960.
Almost surely, 251244282384 is an apocalyptic number.
51244282384 is the 226372-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51244282384
51244282384 is an abundant number, since it is smaller than the sum of its proper divisors (54257096823).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51244282384 is an frugal number, since it uses more digits than its factorization.
51244282384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6700 (or 3348 counting only the distinct ones).
The product of its digits is 491520, while the sum is 43.
The spelling of 51244282384 in words is "fifty-one billion, two hundred forty-four million, two hundred eighty-two thousand, three hundred eighty-four".
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