Base | Representation |
---|---|
bin | 1101110110110001… |
… | …10110001011010100 |
3 | 201012102110012201210 |
4 | 12323120312023110 |
5 | 110213314220202 |
6 | 3230051421420 |
7 | 352224633006 |
oct | 67330661324 |
9 | 21172405653 |
10 | 7438820052 |
11 | 3178024674 |
12 | 15372b4870 |
13 | 9171b9c91 |
14 | 507d48376 |
15 | 2d80e9c6c |
hex | 1bb6362d4 |
7438820052 has 12 divisors (see below), whose sum is σ = 17357246816. Its totient is φ = 2479606680.
The previous prime is 7438820003. The next prime is 7438820063. The reversal of 7438820052 is 2500288347.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
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, 309950824 + ... + 309950847.
Almost surely, 27438820052 is an apocalyptic number.
It is an amenable number.
7438820052 is an abundant number, since it is smaller than the sum of its proper divisors (9918426764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7438820052 is a wasteful number, since it uses less digits than its factorization.
7438820052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 619901678 (or 619901676 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 39.
The square root of 7438820052 is about 86248.5944928959. The cubic root of 7438820052 is about 1952.0968067219.
The spelling of 7438820052 in words is "seven billion, four hundred thirty-eight million, eight hundred twenty thousand, fifty-two".
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