Base | Representation |
---|---|
bin | 100010100001000001… |
… | …0100101011111001000 |
3 | 21002022201101222102012 |
4 | 1011002002211133020 |
5 | 2203300314334440 |
6 | 54015032355052 |
7 | 5232552105242 |
oct | 1050202453710 |
9 | 232281358365 |
10 | 74122418120 |
11 | 294871998a3 |
12 | 12447545a88 |
13 | 6cb352b80a |
14 | 3832315092 |
15 | 1ddc4b7e65 |
hex | 11420a57c8 |
74122418120 has 64 divisors (see below), whose sum is σ = 169191244800. Its totient is φ = 29219823360.
The previous prime is 74122418099. The next prime is 74122418129. The reversal of 74122418120 is 2181422147.
It is a super-2 number, since 2×741224181202 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (74122418129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12626546 + ... + 12632414.
It is an arithmetic number, because the mean of its divisors is an integer number (2643613200).
Almost surely, 274122418120 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74122418120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84595622400).
74122418120 is an abundant number, since it is smaller than the sum of its proper divisors (95068826680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74122418120 is a wasteful number, since it uses less digits than its factorization.
74122418120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10398 (or 10394 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 32.
The spelling of 74122418120 in words is "seventy-four billion, one hundred twenty-two million, four hundred eighteen thousand, one hundred twenty".
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