Base | Representation |
---|---|
bin | 100010000101011110… |
… | …0101101111111000110 |
3 | 20222221022012102212000 |
4 | 1010022330231333012 |
5 | 2144402210230230 |
6 | 53343214010130 |
7 | 5200626603060 |
oct | 1041274557706 |
9 | 228838172760 |
10 | 73198133190 |
11 | 2905248a956 |
12 | 12229aa6946 |
13 | 6b96bb1560 |
14 | 3785676730 |
15 | 1d86290b60 |
hex | 110af2dfc6 |
73198133190 has 256 divisors, whose sum is σ = 250687180800. Its totient is φ = 14772409344.
The previous prime is 73198133189. The next prime is 73198133207. The reversal of 73198133190 is 9133189137.
73198133190 is a `hidden beast` number, since 7 + 319 + 8 + 13 + 319 + 0 = 666.
It is a super-2 number, since 2×731981331902 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 500346 + ... + 629874.
It is an arithmetic number, because the mean of its divisors is an integer number (979246800).
Almost surely, 273198133190 is an apocalyptic number.
73198133190 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 73198133190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125343590400).
73198133190 is an abundant number, since it is smaller than the sum of its proper divisors (177489047610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73198133190 is a wasteful number, since it uses less digits than its factorization.
73198133190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129588 (or 129582 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 45.
The spelling of 73198133190 in words is "seventy-three billion, one hundred ninety-eight million, one hundred thirty-three thousand, one hundred ninety".
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