Base | Representation |
---|---|
bin | 1101000100110110… |
… | …01111001100100100 |
3 | 200010020101210011011 |
4 | 12202123033030210 |
5 | 103334111011140 |
6 | 3120331152004 |
7 | 335651104114 |
oct | 64233171444 |
9 | 20106353134 |
10 | 7020016420 |
11 | 2a8268626a |
12 | 143aba5604 |
13 | 87b4c3991 |
14 | 4a848b044 |
15 | 2b146ecea |
hex | 1a26cf324 |
7020016420 has 48 divisors (see below), whose sum is σ = 15091852608. Its totient is φ = 2741880960.
The previous prime is 7020016403. The next prime is 7020016439. The reversal of 7020016420 is 246100207.
It is a super-3 number, since 3×70200164203 (a number of 31 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7020016391 and 7020016400.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207967 + ... + 239353.
It is an arithmetic number, because the mean of its divisors is an integer number (314413596).
Almost surely, 27020016420 is an apocalyptic number.
It is an amenable number.
7020016420 is an abundant number, since it is smaller than the sum of its proper divisors (8071836188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7020016420 is a wasteful number, since it uses less digits than its factorization.
7020016420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31660 (or 31658 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 7020016420 is about 83785.5382509416. The cubic root of 7020016420 is about 1914.7527825446.
Adding to 7020016420 its reverse (246100207), we get a palindrome (7266116627).
The spelling of 7020016420 in words is "seven billion, twenty million, sixteen thousand, four hundred twenty".
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