Base | Representation |
---|---|
bin | 100010110101101000… |
… | …1010000100011010111 |
3 | 21011002220222121021012 |
4 | 1011223101100203113 |
5 | 2211204404133031 |
6 | 54211422242435 |
7 | 5255651421140 |
oct | 1055321204327 |
9 | 234086877235 |
10 | 74814130391 |
11 | 29801698530 |
12 | 125bb12641b |
13 | 7093928810 |
14 | 389a132ac7 |
15 | 1e2d09eb2b |
hex | 116b4508d7 |
74814130391 has 32 divisors (see below), whose sum is σ = 101183136768. Its totient is φ = 53419472640.
The previous prime is 74814130387. The next prime is 74814130403. The reversal of 74814130391 is 19303141847.
It is a cyclic number.
It is not a de Polignac number, because 74814130391 - 22 = 74814130387 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74814130331) 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 31 ways as a sum of consecutive naturals, for example, 135635 + ... + 409908.
It is an arithmetic number, because the mean of its divisors is an integer number (3161973024).
Almost surely, 274814130391 is an apocalyptic number.
74814130391 is a deficient number, since it is larger than the sum of its proper divisors (26369006377).
74814130391 is a wasteful number, since it uses less digits than its factorization.
74814130391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 545711.
The product of its (nonzero) digits is 72576, while the sum is 41.
The spelling of 74814130391 in words is "seventy-four billion, eight hundred fourteen million, one hundred thirty thousand, three hundred ninety-one".
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