Base | Representation |
---|---|
bin | 100100101111001100… |
… | …0100001100000000000 |
3 | 21112122011220110222110 |
4 | 1021132120201200000 |
5 | 2243033040221204 |
6 | 100124244335320 |
7 | 5462016366603 |
oct | 1113630414000 |
9 | 245564813873 |
10 | 78892898304 |
11 | 30504a91200 |
12 | 133590a4540 |
13 | 759396885c |
14 | 3b65b0c33a |
15 | 20bb1d3889 |
hex | 125e621800 |
78892898304 has 144 divisors (see below), whose sum is σ = 231191021880. Its totient is φ = 23906713600.
The previous prime is 78892898269. The next prime is 78892898321. The reversal of 78892898304 is 40389829887.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690364 + ... + 796484.
Almost surely, 278892898304 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78892898304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115595510940).
78892898304 is an abundant number, since it is smaller than the sum of its proper divisors (152298123576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78892898304 is a wasteful number, since it uses less digits than its factorization.
78892898304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106168 (or 106137 counting only the distinct ones).
The product of its (nonzero) digits is 55738368, while the sum is 66.
The spelling of 78892898304 in words is "seventy-eight billion, eight hundred ninety-two million, eight hundred ninety-eight thousand, three hundred four".
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