Base | Representation |
---|---|
bin | 1010000110010110… |
… | …01011001100101000 |
3 | 111222212101121212201 |
4 | 11003023023030220 |
5 | 42101011021331 |
6 | 2254003345544 |
7 | 251234662225 |
oct | 50313131450 |
9 | 14885347781 |
10 | 5421970216 |
11 | 2332619523 |
12 | 10739822b4 |
13 | 6853c3300 |
14 | 39614494c |
15 | 21b009a61 |
hex | 1432cb328 |
5421970216 has 48 divisors (see below), whose sum is σ = 11276976060. Its totient is φ = 2441387520.
The previous prime is 5421970199. The next prime is 5421970231. The reversal of 5421970216 is 6120791245.
It can be written as a sum of positive squares in 6 ways, for example, as 186868900 + 5235101316 = 13670^2 + 72354^2 .
It is a super-2 number, since 2×54219702162 = 58795522046382173312, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6526 + ... + 104338.
Almost surely, 25421970216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5421970216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5638488030).
5421970216 is an abundant number, since it is smaller than the sum of its proper divisors (5855005844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5421970216 is a wasteful number, since it uses less digits than its factorization.
5421970216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97886 (or 97869 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 5421970216 is about 73634.0289268488. The cubic root of 5421970216 is about 1756.7867308731.
The spelling of 5421970216 in words is "five billion, four hundred twenty-one million, nine hundred seventy thousand, two hundred sixteen".
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