Base | Representation |
---|---|
bin | 100100011110010111… |
… | …0101010010101001101 |
3 | 21111011211110201012102 |
4 | 1020330232222111031 |
5 | 2240404014320201 |
6 | 55552234444445 |
7 | 5442022235402 |
oct | 1107456522515 |
9 | 244154421172 |
10 | 78328276301 |
11 | 302452a7350 |
12 | 1321bb93725 |
13 | 75039a8ab2 |
14 | 3b10b342a9 |
15 | 208685326b |
hex | 123cbaa54d |
78328276301 has 16 divisors (see below), whose sum is σ = 85736620800. Its totient is φ = 70968268800.
The previous prime is 78328276249. The next prime is 78328276309. The reversal of 78328276301 is 10367282387.
It is a de Polignac number, because none of the positive numbers 2k-78328276301 is a prime.
It is a super-2 number, since 2×783282763012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78328276309) 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, 4111085 + ... + 4130093.
It is an arithmetic number, because the mean of its divisors is an integer number (5358538800).
Almost surely, 278328276301 is an apocalyptic number.
It is an amenable number.
78328276301 is a deficient number, since it is larger than the sum of its proper divisors (7408344499).
78328276301 is a wasteful number, since it uses less digits than its factorization.
78328276301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20260.
The product of its (nonzero) digits is 677376, while the sum is 47.
The spelling of 78328276301 in words is "seventy-eight billion, three hundred twenty-eight million, two hundred seventy-six thousand, three hundred one".
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