| Base | Representation |
|---|---|
| bin | 100011101101101… |
| … | …1100110001100000 |
| 3 | 10002111221220200100 |
| 4 | 1013123130301200 |
| 5 | 4423241044310 |
| 6 | 314525222400 |
| 7 | 41461021434 |
| oct | 10733346140 |
| 9 | 3074856610 |
| 10 | 1198378080 |
| 11 | 5654a9209 |
| 12 | 295401a00 |
| 13 | 161377173 |
| 14 | b522a9c4 |
| 15 | 70319ec0 |
| hex | 476dcc60 |
1198378080 has 144 divisors (see below), whose sum is σ = 4150836144. Its totient is φ = 314772480.
The previous prime is 1198378079. The next prime is 1198378081. The reversal of 1198378080 is 808738911.
It is an interprime number because it is at equal distance from previous prime (1198378079) and next prime (1198378081).
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×11983780802 = 2872220045248972800, which 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 not an unprimeable number, because it can be changed into a prime (1198378081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90270 + ... + 102690.
It is an arithmetic number, because the mean of its divisors is an integer number (28825251).
Almost surely, 21198378080 is an apocalyptic number.
1198378080 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 1198378080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075418072).
1198378080 is an abundant number, since it is smaller than the sum of its proper divisors (2952458064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1198378080 is a wasteful number, since it uses less digits than its factorization.
1198378080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12509 (or 12498 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 45.
The square root of 1198378080 is about 34617.5978369384. The cubic root of 1198378080 is about 1062.1795902144.
The spelling of 1198378080 in words is "one billion, one hundred ninety-eight million, three hundred seventy-eight thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •