Base | Representation |
---|---|
bin | 100010110101100101… |
… | …1010100001100110111 |
3 | 21011002211001110012110 |
4 | 1011223023110030313 |
5 | 2211204004304341 |
6 | 54211325022103 |
7 | 5255632242120 |
oct | 1055313241467 |
9 | 234084043173 |
10 | 74812572471 |
11 | 29800823a9a |
12 | 125ba6b4933 |
13 | 7093501680 |
14 | 3899c49047 |
15 | 1e2cd93216 |
hex | 116b2d4337 |
74812572471 has 16 divisors (see below), whose sum is σ = 122769350144. Its totient is φ = 39461576544.
The previous prime is 74812572421. The next prime is 74812572473. The reversal of 74812572471 is 17427521847.
It is not a de Polignac number, because 74812572471 - 226 = 74745463607 is a prime.
It is a super-3 number, since 3×748125724713 (a number of 34 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 74812572471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74812572473) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137019091 + ... + 137019636.
It is an arithmetic number, because the mean of its divisors is an integer number (7673084384).
Almost surely, 274812572471 is an apocalyptic number.
74812572471 is a deficient number, since it is larger than the sum of its proper divisors (47956777673).
74812572471 is a wasteful number, since it uses less digits than its factorization.
74812572471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274038750.
The product of its digits is 878080, while the sum is 48.
The spelling of 74812572471 in words is "seventy-four billion, eight hundred twelve million, five hundred seventy-two thousand, four hundred seventy-one".
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