Base | Representation |
---|---|
bin | 1101000100111110… |
… | …00110111011100100 |
3 | 200010022022100002101 |
4 | 12202133012323210 |
5 | 103334340444030 |
6 | 3120405021444 |
7 | 335662531354 |
oct | 64237067344 |
9 | 20108270071 |
10 | 7021031140 |
11 | 2a83209682 |
12 | 143b3b4884 |
13 | 87b78a7c6 |
14 | 4a8672b64 |
15 | 2b15c07ca |
hex | 1a27c6ee4 |
7021031140 has 12 divisors (see below), whose sum is σ = 14744165436. Its totient is φ = 2808412448.
The previous prime is 7021031123. The next prime is 7021031179. The reversal of 7021031140 is 411301207.
It can be written as a sum of positive squares in 2 ways, for example, as 4844995236 + 2176035904 = 69606^2 + 46648^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175525759 + ... + 175525798.
It is an arithmetic number, because the mean of its divisors is an integer number (1228680453).
Almost surely, 27021031140 is an apocalyptic number.
It is an amenable number.
7021031140 is an abundant number, since it is smaller than the sum of its proper divisors (7723134296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7021031140 is a wasteful number, since it uses less digits than its factorization.
7021031140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351051566 (or 351051564 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 7021031140 is about 83791.5934924262. The cubic root of 7021031140 is about 1914.8450351463.
Adding to 7021031140 its reverse (411301207), we get a palindrome (7432332347).
The spelling of 7021031140 in words is "seven billion, twenty-one million, thirty-one thousand, one hundred forty".
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