Base | Representation |
---|---|
bin | 1001010001100000… |
… | …10001001010100010 |
3 | 110211222022122000100 |
4 | 10220300101022202 |
5 | 40144022143104 |
6 | 2142011003230 |
7 | 234243221016 |
oct | 45060211242 |
9 | 13758278010 |
10 | 4978709154 |
11 | 2125395971 |
12 | b6b439516 |
13 | 614615a63 |
14 | 35331c546 |
15 | 1e214d139 |
hex | 128c112a2 |
4978709154 has 48 divisors (see below), whose sum is σ = 11396661120. Its totient is φ = 1568243040.
The previous prime is 4978709123. The next prime is 4978709173. The reversal of 4978709154 is 4519078794.
It is a self number, because there is not a number n which added to its sum of digits gives 4978709154.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76932 + ... + 125999.
It is an arithmetic number, because the mean of its divisors is an integer number (237430440).
Almost surely, 24978709154 is an apocalyptic number.
4978709154 is an abundant number, since it is smaller than the sum of its proper divisors (6417951966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4978709154 is a wasteful number, since it uses less digits than its factorization.
4978709154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203015 (or 203012 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 54.
The square root of 4978709154 is about 70559.9684948909. The cubic root of 4978709154 is about 1707.5453711683.
The spelling of 4978709154 in words is "four billion, nine hundred seventy-eight million, seven hundred nine thousand, one hundred fifty-four".
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