Base | Representation |
---|---|
bin | 1011010000001110… |
… | …1101010010110110 |
3 | 21210112022010202010 |
4 | 2310003231102312 |
5 | 22141320331323 |
6 | 1215431425050 |
7 | 134600656416 |
oct | 26403552266 |
9 | 7715263663 |
10 | 3020870838 |
11 | 1310225a77 |
12 | 703825186 |
13 | 391b1114b |
14 | 2092ba646 |
15 | 12a317c93 |
hex | b40ed4b6 |
3020870838 has 64 divisors (see below), whose sum is σ = 6425395200. Its totient is φ = 944174880.
The previous prime is 3020870833. The next prime is 3020870851. The reversal of 3020870838 is 8380780203.
It is a happy number.
3020870838 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 3020870796 and 3020870805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3020870833) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8414503 + ... + 8414861.
It is an arithmetic number, because the mean of its divisors is an integer number (100396800).
Almost surely, 23020870838 is an apocalyptic number.
3020870838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
3020870838 is an abundant number, since it is smaller than the sum of its proper divisors (3404524362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3020870838 is a wasteful number, since it uses less digits than its factorization.
3020870838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 937.
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 3020870838 is about 54962.4493449846. The cubic root of 3020870838 is about 1445.5863949856.
The spelling of 3020870838 in words is "three billion, twenty million, eight hundred seventy thousand, eight hundred thirty-eight".
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