Base | Representation |
---|---|
bin | 11011100101011111000011… |
… | …011100011110101100011000 |
3 | 120220120101102211002112121122 |
4 | 123211133003130132230120 |
5 | 111400224423334423414 |
6 | 1110011041250424412 |
7 | 34361212332452030 |
oct | 3345370334365430 |
9 | 526511384075548 |
10 | 121323220232984 |
11 | 35725985a280a0 |
12 | 11735304b92108 |
13 | 5290966102a33 |
14 | 21d610a4748c0 |
15 | e05d66d8eb8e |
hex | 6e57c371eb18 |
121323220232984 has 64 divisors (see below), whose sum is σ = 283893807052800. Its totient is φ = 47221939699200.
The previous prime is 121323220232983. The next prime is 121323220233037. The reversal of 121323220232984 is 489232022323121.
It is a super-2 number, since 2×1213232202329842 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121323220232983) 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, 96976712 + ... + 98219799.
It is an arithmetic number, because the mean of its divisors is an integer number (4435840735200).
Almost surely, 2121323220232984 is an apocalyptic number.
121323220232984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
121323220232984 is an abundant number, since it is smaller than the sum of its proper divisors (162570586819816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121323220232984 is a wasteful number, since it uses less digits than its factorization.
121323220232984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195197544 (or 195197540 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 44.
The spelling of 121323220232984 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, two hundred twenty million, two hundred thirty-two thousand, nine hundred eighty-four".
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