Base | Representation |
---|---|
bin | 111111010011111… |
… | …1101010100111001 |
3 | 12111001102220110120 |
4 | 1332213331110321 |
5 | 13322321412100 |
6 | 550445203453 |
7 | 103434064512 |
oct | 17647752471 |
9 | 5431386416 |
10 | 2124404025 |
11 | 9a0197207 |
12 | 4b3560589 |
13 | 27b183a03 |
14 | 1621dda09 |
15 | c67880a0 |
hex | 7e9fd539 |
2124404025 has 48 divisors (see below), whose sum is σ = 3657039744. Its totient is φ = 1087188480.
The previous prime is 2124404021. The next prime is 2124404027. The reversal of 2124404025 is 5204044212.
It is a happy number.
It is not a de Polignac number, because 2124404025 - 22 = 2124404021 is a prime.
It is a super-2 number, since 2×21244040252 = 9026184922872401250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2124403986 and 2124404004.
It is not an unprimeable number, because it can be changed into a prime (2124404021) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197332 + ... + 207818.
It is an arithmetic number, because the mean of its divisors is an integer number (76188328).
Almost surely, 22124404025 is an apocalyptic number.
2124404025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2124404025 is a deficient number, since it is larger than the sum of its proper divisors (1532635719).
2124404025 is a wasteful number, since it uses less digits than its factorization.
2124404025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10610 (or 10605 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 2124404025 is about 46091.2575766815. The cubic root of 2124404025 is about 1285.5205943230.
Adding to 2124404025 its reverse (5204044212), we get a palindrome (7328448237).
The spelling of 2124404025 in words is "two billion, one hundred twenty-four million, four hundred four thousand, twenty-five".
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