Base | Representation |
---|---|
bin | 1110110011110001… |
… | …11001100001010100 |
3 | 202112002100012221100 |
4 | 13121320321201110 |
5 | 112240314220321 |
6 | 3352531350100 |
7 | 401010315342 |
oct | 73170714124 |
9 | 22462305840 |
10 | 7950538836 |
11 | 340a965559 |
12 | 165a752330 |
13 | 999216066 |
14 | 555cb0992 |
15 | 317eca326 |
hex | 1d9e39854 |
7950538836 has 144 divisors (see below), whose sum is σ = 21306148864. Its totient is φ = 2496469248.
The previous prime is 7950538811. The next prime is 7950538837. The reversal of 7950538836 is 6388350597.
It is a happy number.
7950538836 is a `hidden beast` number, since 79 + 5 + 0 + 538 + 8 + 36 = 666.
It is a super-2 number, since 2×79505388362 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7950538837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7273506 + ... + 7274598.
Almost surely, 27950538836 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 7950538836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10653074432).
7950538836 is an abundant number, since it is smaller than the sum of its proper divisors (13355610028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7950538836 is a wasteful number, since it uses less digits than its factorization.
7950538836 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1310 (or 1305 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 54.
The square root of 7950538836 is about 89165.7940916807. The cubic root of 7950538836 is about 1995.8697125678.
It can be divided in two parts, 79505 and 38836, that added together give a triangular number (118341 = T486).
The spelling of 7950538836 in words is "seven billion, nine hundred fifty million, five hundred thirty-eight thousand, eight hundred thirty-six".
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