Base | Representation |
---|---|
bin | 1010010011111110… |
… | …1011000101101000 |
3 | 21010220202211202200 |
4 | 2210333223011220 |
5 | 21132121424414 |
6 | 1134403100200 |
7 | 125411633460 |
oct | 24477530550 |
9 | 7126684680 |
10 | 2768154984 |
11 | 11a06078a1 |
12 | 653071660 |
13 | 35165a53a |
14 | 1c38d4ba0 |
15 | 113049109 |
hex | a4feb168 |
2768154984 has 48 divisors (see below), whose sum is σ = 8568100320. Its totient is φ = 790901280.
The previous prime is 2768154943. The next prime is 2768154989. The reversal of 2768154984 is 4894518672.
It is a happy number.
2768154984 is a `hidden beast` number, since 2 + 76 + 81 + 5 + 498 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 2768154984.
It is not an unprimeable number, because it can be changed into a prime (2768154989) 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 11 ways as a sum of consecutive naturals, for example, 2745682 + ... + 2746689.
It is an arithmetic number, because the mean of its divisors is an integer number (178502090).
Almost surely, 22768154984 is an apocalyptic number.
2768154984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2768154984 is an abundant number, since it is smaller than the sum of its proper divisors (5799945336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2768154984 is a wasteful number, since it uses less digits than its factorization.
2768154984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5492390 (or 5492383 counting only the distinct ones).
The product of its digits is 3870720, while the sum is 54.
The square root of 2768154984 is about 52613.2586331620. The cubic root of 2768154984 is about 1404.0959950922.
The spelling of 2768154984 in words is "two billion, seven hundred sixty-eight million, one hundred fifty-four thousand, nine hundred eighty-four".
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