Base | Representation |
---|---|
bin | 1110110010111… |
… | …11000011000100 |
3 | 22122120000101121 |
4 | 13121133003010 |
5 | 223233340114 |
6 | 20152203324 |
7 | 3035004430 |
oct | 731370304 |
9 | 278500347 |
10 | 124121284 |
11 | 64077181 |
12 | 35699544 |
13 | 1c93aa61 |
14 | 126ad9c0 |
15 | ad6ba24 |
hex | 765f0c4 |
124121284 has 48 divisors (see below), whose sum is σ = 265410432. Its totient is φ = 49577472.
The previous prime is 124121279. The next prime is 124121299. The reversal of 124121284 is 482121421.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49714 + ... + 52150.
It is an arithmetic number, because the mean of its divisors is an integer number (5529384).
Almost surely, 2124121284 is an apocalyptic number.
124121284 is a gapful number since it is divisible by the number (14) 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 124121284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132705216).
124121284 is an abundant number, since it is smaller than the sum of its proper divisors (141289148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124121284 is a wasteful number, since it uses less digits than its factorization.
124121284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2572 (or 2570 counting only the distinct ones).
The product of its digits is 1024, while the sum is 25.
The square root of 124121284 is about 11140.9732070408. The cubic root of 124121284 is about 498.8256225012.
The spelling of 124121284 in words is "one hundred twenty-four million, one hundred twenty-one thousand, two hundred eighty-four".
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