Base | Representation |
---|---|
bin | 100010110110000111… |
… | …0111110010101000110 |
3 | 21011011001102112201000 |
4 | 1011230032332111012 |
5 | 2211223024334203 |
6 | 54213201114130 |
7 | 5256236062146 |
oct | 1055416762506 |
9 | 234131375630 |
10 | 74830308678 |
11 | 2980a838514 |
12 | 12604628946 |
13 | 70970a1578 |
14 | 389c344926 |
15 | 1e2e6e84a3 |
hex | 116c3be546 |
74830308678 has 16 divisors (see below), whose sum is σ = 166289574960. Its totient is φ = 24943436208.
The previous prime is 74830308667. The next prime is 74830308697. The reversal of 74830308678 is 87680303847.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1385746457 = 74830308678 / (7 + 4 + 8 + 3 + 0 + 3 + 0 + 8 + 6 + 7 + 8).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 692873175 + ... + 692873282.
It is an arithmetic number, because the mean of its divisors is an integer number (10393098435).
Almost surely, 274830308678 is an apocalyptic number.
74830308678 is an abundant number, since it is smaller than the sum of its proper divisors (91459266282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74830308678 is a wasteful number, since it uses less digits than its factorization.
74830308678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1385746468 (or 1385746462 counting only the distinct ones).
The product of its (nonzero) digits is 5419008, while the sum is 54.
The spelling of 74830308678 in words is "seventy-four billion, eight hundred thirty million, three hundred eight thousand, six hundred seventy-eight".
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