| Base | Representation |
|---|---|
| bin | 1011011110100010… |
| … | …11001101110010000 |
| 3 | 120220102111212122210 |
| 4 | 11233101121232100 |
| 5 | 100104410100310 |
| 6 | 2455232432120 |
| 7 | 305460302502 |
| oct | 55721315620 |
| 9 | 16812455583 |
| 10 | 6161800080 |
| 11 | 26821a2667 |
| 12 | 123b6a8640 |
| 13 | 772769967 |
| 14 | 4264c9d72 |
| 15 | 260e48820 |
| hex | 16f459b90 |
6161800080 has 80 divisors (see below), whose sum is σ = 19172790720. Its totient is φ = 1637021184.
The previous prime is 6161800039. The next prime is 6161800121. The reversal of 6161800080 is 800081616.
It is an interprime number because it is at equal distance from previous prime (6161800039) and next prime (6161800121).
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16839 + ... + 112281.
It is an arithmetic number, because the mean of its divisors is an integer number (239659884).
Almost surely, 26161800080 is an apocalyptic number.
6161800080 is a gapful number since it is divisible by the number (60) 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 6161800080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9586395360).
6161800080 is an abundant number, since it is smaller than the sum of its proper divisors (13010990640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6161800080 is a wasteful number, since it uses less digits than its factorization.
6161800080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95728 (or 95722 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 6161800080 is about 78497.1342152056. The cubic root of 6161800080 is about 1833.3098331607.
Adding to 6161800080 its reverse (800081616), we get a palindrome (6961881696).
The spelling of 6161800080 in words is "six billion, one hundred sixty-one million, eight hundred thousand, eighty".
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