Base | Representation |
---|---|
bin | 1011000001011010011… |
… | …11111111001101100101 |
3 | 1100012112101111202201110 |
4 | 11200231033333031211 |
5 | 22201102332202340 |
6 | 445551352215233 |
7 | 36234641222040 |
oct | 5405517771545 |
9 | 1305471452643 |
10 | 378716287845 |
11 | 136681520445 |
12 | 6149339a519 |
13 | 2993600c31c |
14 | 144895d9c57 |
15 | 9cb8108680 |
hex | 582d3ff365 |
378716287845 has 16 divisors (see below), whose sum is σ = 692509783680. Its totient is φ = 173127445824.
The previous prime is 378716287843. The next prime is 378716287853. The reversal of 378716287845 is 548782617873.
It is not a de Polignac number, because 378716287845 - 21 = 378716287843 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378716287843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1803410790 + ... + 1803410999.
It is an arithmetic number, because the mean of its divisors is an integer number (43281861480).
Almost surely, 2378716287845 is an apocalyptic number.
378716287845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
378716287845 is a deficient number, since it is larger than the sum of its proper divisors (313793495835).
378716287845 is a wasteful number, since it uses less digits than its factorization.
378716287845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3606821804.
The product of its digits is 126443520, while the sum is 66.
The spelling of 378716287845 in words is "three hundred seventy-eight billion, seven hundred sixteen million, two hundred eighty-seven thousand, eight hundred forty-five".
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