Base | Representation |
---|---|
bin | 1000101100001111010000… |
… | …11010000000000000000000 |
3 | 2111200002221200101002000000 |
4 | 10112013220122000000000 |
5 | 10001113300402123020 |
6 | 104352005532000000 |
7 | 4011545226624051 |
oct | 426075032000000 |
9 | 74602850332000 |
10 | 19112208629760 |
11 | 60a9495576504 |
12 | 21880a8000000 |
13 | a88372c7870c |
14 | 4a1070480728 |
15 | 23224458b090 |
hex | 1161e8680000 |
19112208629760 has 1120 divisors, whose sum is σ = 70223378128200. Its totient is φ = 4990080909312.
The previous prime is 19112208629737. The next prime is 19112208629867. The reversal of 19112208629760 is 6792680221191.
It is a happy number.
19112208629760 is a `hidden beast` number, since 1 + 9 + 1 + 1 + 2 + 2 + 0 + 8 + 629 + 7 + 6 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 16405999386624 + 2706209243136 = 4050432^2 + 1645056^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 19112208629697 and 19112208629706.
It is an unprimeable number.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 139505172412 + ... + 139505172548.
Almost surely, 219112208629760 is an apocalyptic number.
19112208629760 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 19112208629760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35111689064100).
19112208629760 is an abundant number, since it is smaller than the sum of its proper divisors (51111169498440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19112208629760 is an frugal number, since it uses more digits than its factorization.
19112208629760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271 (or 220 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 54.
The spelling of 19112208629760 in words is "nineteen trillion, one hundred twelve billion, two hundred eight million, six hundred twenty-nine thousand, seven hundred sixty".
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