Base | Representation |
---|---|
bin | 111100110100100… |
… | …011100011010000 |
3 | 2122010002012110100 |
4 | 330310203203100 |
5 | 4042211110224 |
6 | 245130532400 |
7 | 34200225312 |
oct | 7464434320 |
9 | 2563065410 |
10 | 1020410064 |
11 | 483aa4203 |
12 | 245897100 |
13 | 13353514b |
14 | 997417b2 |
15 | 5e8b3ac9 |
hex | 3cd238d0 |
1020410064 has 60 divisors (see below), whose sum is σ = 2859048036. Its totient is φ = 339741696.
The previous prime is 1020410063. The next prime is 1020410071. The reversal of 1020410064 is 4600140201.
It can be written as a sum of positive squares in 2 ways, for example, as 864360000 + 156050064 = 29400^2 + 12492^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020410063) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137062 + ... + 144314.
Almost surely, 21020410064 is an apocalyptic number.
It is an amenable number.
1020410064 is an abundant number, since it is smaller than the sum of its proper divisors (1838637972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020410064 is a wasteful number, since it uses less digits than its factorization.
1020410064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8244 (or 8235 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1020410064 is about 31943.8580011870. The cubic root of 1020410064 is about 1006.7575868253.
Adding to 1020410064 its reverse (4600140201), we get a palindrome (5620550265).
The spelling of 1020410064 in words is "one billion, twenty million, four hundred ten thousand, sixty-four".
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