Base | Representation |
---|---|
bin | 1110010111110111… |
… | …11111011100111100 |
3 | 201220202220012212010 |
4 | 13023323333130330 |
5 | 111300403443130 |
6 | 3313410411220 |
7 | 362135620554 |
oct | 71373773474 |
9 | 21822805763 |
10 | 7716468540 |
11 | 32aa822030 |
12 | 15b4290b10 |
13 | 95c890221 |
14 | 532b80164 |
15 | 3026910b0 |
hex | 1cbeff73c |
7716468540 has 192 divisors, whose sum is σ = 24524881920. Its totient is φ = 1795872000.
The previous prime is 7716468523. The next prime is 7716468541. The reversal of 7716468540 is 458646177.
It is a self number, because there is not a number n which added to its sum of digits gives 7716468540.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7716468541) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2678821 + ... + 2681699.
It is an arithmetic number, because the mean of its divisors is an integer number (127733760).
Almost surely, 27716468540 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 7716468540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12262440960).
7716468540 is an abundant number, since it is smaller than the sum of its proper divisors (16808413380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7716468540 is a wasteful number, since it uses less digits than its factorization.
7716468540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3064 (or 3062 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 48.
The square root of 7716468540 is about 87843.4319684745. The cubic root of 7716468540 is about 1976.0876167256.
The spelling of 7716468540 in words is "seven billion, seven hundred sixteen million, four hundred sixty-eight thousand, five hundred forty".
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