Base | Representation |
---|---|
bin | 100100011011110011… |
… | …1010011111000110011 |
3 | 21110221211222221212111 |
4 | 1020313213103320303 |
5 | 2240220032311113 |
6 | 55535531310151 |
7 | 5436630651565 |
oct | 1106747237063 |
9 | 243854887774 |
10 | 78242463283 |
11 | 302009157a6 |
12 | 131b72ab357 |
13 | 74bbc9186a |
14 | 3b03597335 |
15 | 207e05213d |
hex | 12379d3e33 |
78242463283 has 16 divisors (see below), whose sum is σ = 80397950976. Its totient is φ = 76099152960.
The previous prime is 78242463259. The next prime is 78242463293. The reversal of 78242463283 is 38236424287.
It is not a de Polignac number, because 78242463283 - 217 = 78242332211 is a prime.
It is a super-2 number, since 2×782424632832 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78242463293) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21475660 + ... + 21479302.
It is an arithmetic number, because the mean of its divisors is an integer number (5024871936).
Almost surely, 278242463283 is an apocalyptic number.
78242463283 is a deficient number, since it is larger than the sum of its proper divisors (2155487693).
78242463283 is a wasteful number, since it uses less digits than its factorization.
78242463283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5154.
The product of its digits is 3096576, while the sum is 49.
The spelling of 78242463283 in words is "seventy-eight billion, two hundred forty-two million, four hundred sixty-three thousand, two hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •