Base | Representation |
---|---|
bin | 1101001010110110… |
… | …11100001000010000 |
3 | 200020202012120212012 |
4 | 12211123130020100 |
5 | 103440010313130 |
6 | 3125331122052 |
7 | 340132263053 |
oct | 64533341020 |
9 | 20222176765 |
10 | 7070401040 |
11 | 2aa9069a4a |
12 | 1453a43328 |
13 | 888a85171 |
14 | 4b1044a9a |
15 | 2b5ac3995 |
hex | 1a56dc210 |
7070401040 has 40 divisors (see below), whose sum is σ = 16882978200. Its totient is φ = 2751722496.
The previous prime is 7070401021. The next prime is 7070401061. The reversal of 7070401040 is 401040707.
It can be written as a sum of positive squares in 4 ways, for example, as 2305536256 + 4764864784 = 48016^2 + 69028^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 7070400997 and 7070401015.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191365 + ... + 1197284.
It is an arithmetic number, because the mean of its divisors is an integer number (422074455).
Almost surely, 27070401040 is an apocalyptic number.
It is an amenable number.
7070401040 is an abundant number, since it is smaller than the sum of its proper divisors (9812577160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7070401040 is a wasteful number, since it uses less digits than its factorization.
7070401040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2388699 (or 2388693 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 23.
The square root of 7070401040 is about 84085.6767826721. The cubic root of 7070401040 is about 1919.3227718602.
Adding to 7070401040 its reverse (401040707), we get a palindrome (7471441747).
The spelling of 7070401040 in words is "seven billion, seventy million, four hundred one thousand, forty".
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