Base | Representation |
---|---|
bin | 100100110100010110111… |
… | …010101010011110101000 |
3 | 22221212200102112222210101 |
4 | 210310112322222132220 |
5 | 312423141233330230 |
6 | 5214153212555144 |
7 | 350536510656610 |
oct | 44642672523650 |
9 | 8855612488711 |
10 | 2530120214440 |
11 | 8960219a0195 |
12 | 34a430182ab4 |
13 | 154787947930 |
14 | 8a65c091a40 |
15 | 45c33083aca |
hex | 24d16eaa7a8 |
2530120214440 has 64 divisors (see below), whose sum is σ = 7006486757760. Its totient is φ = 800741341440.
The previous prime is 2530120214437. The next prime is 2530120214449. The reversal of 2530120214440 is 444120210352.
2530120214440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 2530120214399 and 2530120214408.
It is not an unprimeable number, because it can be changed into a prime (2530120214449) 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, 347540346 + ... + 347547625.
It is an arithmetic number, because the mean of its divisors is an integer number (109476355590).
Almost surely, 22530120214440 is an apocalyptic number.
2530120214440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2530120214440 is an abundant number, since it is smaller than the sum of its proper divisors (4476366543320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2530120214440 is a wasteful number, since it uses less digits than its factorization.
2530120214440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 695088002 (or 695087998 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 28.
Adding to 2530120214440 its reverse (444120210352), we get a palindrome (2974240424792).
The spelling of 2530120214440 in words is "two trillion, five hundred thirty billion, one hundred twenty million, two hundred fourteen thousand, four hundred forty".
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