Base | Representation |
---|---|
bin | 1010000101100001… |
… | …01010101101101100 |
3 | 111222101022120220220 |
4 | 11002300222231230 |
5 | 42042221141140 |
6 | 2253154411340 |
7 | 251121631314 |
oct | 50260525554 |
9 | 14871276826 |
10 | 5415021420 |
11 | 2329702816 |
12 | 1071590b50 |
13 | 683b2c4b3 |
14 | 395256444 |
15 | 21a5d5bd0 |
hex | 142c2ab6c |
5415021420 has 48 divisors (see below), whose sum is σ = 15172466400. Its totient is φ = 1443014656.
The previous prime is 5415021389. The next prime is 5415021421. The reversal of 5415021420 is 241205145.
It is not an unprimeable number, because it can be changed into a prime (5415021421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59356 + ... + 119804.
It is an arithmetic number, because the mean of its divisors is an integer number (316093050).
Almost surely, 25415021420 is an apocalyptic number.
It is an amenable number.
5415021420 is an abundant number, since it is smaller than the sum of its proper divisors (9757444980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5415021420 is a wasteful number, since it uses less digits than its factorization.
5415021420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61954 (or 61952 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 5415021420 is about 73586.8291204343. The cubic root of 5415021420 is about 1756.0359108511.
Adding to 5415021420 its reverse (241205145), we get a palindrome (5656226565).
The spelling of 5415021420 in words is "five billion, four hundred fifteen million, twenty-one thousand, four hundred twenty".
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