Base | Representation |
---|---|
bin | 1000101001001110110110… |
… | …00111011000011010000000 |
3 | 2111022020022101001121101110 |
4 | 10110213123013120122000 |
5 | 4442420220021230310 |
6 | 104232323203203320 |
7 | 4001230264462200 |
oct | 424473307303200 |
9 | 74266271047343 |
10 | 19008906430080 |
11 | 60696a5133966 |
12 | 2170078376540 |
13 | a7b6bc296688 |
14 | 49a070a30400 |
15 | 22e6ea4b6d20 |
hex | 1149db1d8680 |
19008906430080 has 768 divisors, whose sum is σ = 73408739823360. Its totient is φ = 4167867432960.
The previous prime is 19008906430069. The next prime is 19008906430127. The reversal of 19008906430080 is 8003460980091.
It is a super-2 number, since 2×190089064300802 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
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 95 ways as a sum of consecutive naturals, for example, 247109704 + ... + 247186616.
It is an arithmetic number, because the mean of its divisors is an integer number (95584296645).
Almost surely, 219008906430080 is an apocalyptic number.
19008906430080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19008906430080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36704369911680).
19008906430080 is an abundant number, since it is smaller than the sum of its proper divisors (54399833393280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19008906430080 is a wasteful number, since it uses less digits than its factorization.
19008906430080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77057 (or 77038 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 48.
The spelling of 19008906430080 in words is "nineteen trillion, eight billion, nine hundred six million, four hundred thirty thousand, eighty".
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