Base | Representation |
---|---|
bin | 1101000100111010… |
… | …00110000000000000 |
3 | 200010021022111200010 |
4 | 12202131012000000 |
5 | 103334222044130 |
6 | 3120345424520 |
7 | 335655201615 |
oct | 64235060000 |
9 | 20107274603 |
10 | 7020503040 |
11 | 2a82988931 |
12 | 143b19b140 |
13 | 87b634315 |
14 | 4a857650c |
15 | 2b15190b0 |
hex | 1a2746000 |
7020503040 has 448 divisors, whose sum is σ = 24661002240. Its totient is φ = 1698693120.
The previous prime is 7020503027. The next prime is 7020503041. The reversal of 7020503040 is 403050207.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 7020502998 and 7020503016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7020503041) 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, 72376272 + ... + 72376368.
It is an arithmetic number, because the mean of its divisors is an integer number (55046880).
Almost surely, 27020503040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7020503040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12330501120).
7020503040 is an abundant number, since it is smaller than the sum of its proper divisors (17640499200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7020503040 is a wasteful number, since it uses less digits than its factorization.
7020503040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181 (or 157 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 21.
The square root of 7020503040 is about 83788.4421623890. The cubic root of 7020503040 is about 1914.7970243912.
Adding to 7020503040 its reverse (403050207), we get a palindrome (7423553247).
The spelling of 7020503040 in words is "seven billion, twenty million, five hundred three thousand, forty".
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