Base | Representation |
---|---|
bin | 100010111000011100… |
… | …0111100010000001101 |
3 | 21011100111101222001001 |
4 | 1011300320330100031 |
5 | 2211403023402320 |
6 | 54225031220301 |
7 | 5261205025243 |
oct | 1056070742015 |
9 | 234314358031 |
10 | 74908419085 |
11 | 2984a938a75 |
12 | 12626817691 |
13 | 70aa31c846 |
14 | 38a8878793 |
15 | 1e364c720a |
hex | 1170e3c40d |
74908419085 has 4 divisors (see below), whose sum is σ = 89890102908. Its totient is φ = 59926735264.
The previous prime is 74908419067. The next prime is 74908419119. The reversal of 74908419085 is 58091480947.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58091480947 = 56377 ⋅1030411.
It can be written as a sum of positive squares in 2 ways, for example, as 19188344484 + 55720074601 = 138522^2 + 236051^2 .
It is a cyclic number.
It is not a de Polignac number, because 74908419085 - 27 = 74908418957 is a prime.
It is a super-2 number, since 2×749084190852 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7490841904 + ... + 7490841913.
It is an arithmetic number, because the mean of its divisors is an integer number (22472525727).
Almost surely, 274908419085 is an apocalyptic number.
It is an amenable number.
74908419085 is a deficient number, since it is larger than the sum of its proper divisors (14981683823).
74908419085 is a wasteful number, since it uses less digits than its factorization.
74908419085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14981683822.
The product of its (nonzero) digits is 2903040, while the sum is 55.
The spelling of 74908419085 in words is "seventy-four billion, nine hundred eight million, four hundred nineteen thousand, eighty-five".
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