Base | Representation |
---|---|
bin | 1110010010010011001… |
… | …0110111011111001000 |
3 | 212110111110200200010010 |
4 | 3210210302313133020 |
5 | 13010120143400440 |
6 | 304425454151520 |
7 | 23505665255622 |
oct | 3444462673710 |
9 | 773443620103 |
10 | 245430450120 |
11 | 950a50aa849 |
12 | 3b6961b25a0 |
13 | 1a1b447371b |
14 | bc4399dc12 |
15 | 65b6a8d580 |
hex | 3924cb77c8 |
245430450120 has 64 divisors (see below), whose sum is σ = 737704765440. Its totient is φ = 65322483200.
The previous prime is 245430450091. The next prime is 245430450127. The reversal of 245430450120 is 21054034542.
It is a super-2 number, since 2×2454304501202 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (245430450127) 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, 1900296 + ... + 2025335.
It is an arithmetic number, because the mean of its divisors is an integer number (11526636960).
Almost surely, 2245430450120 is an apocalyptic number.
245430450120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245430450120 is an abundant number, since it is smaller than the sum of its proper divisors (492274315320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245430450120 is a wasteful number, since it uses less digits than its factorization.
245430450120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3926166 (or 3926162 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
Adding to 245430450120 its reverse (21054034542), we get a palindrome (266484484662).
The spelling of 245430450120 in words is "two hundred forty-five billion, four hundred thirty million, four hundred fifty thousand, one hundred twenty".
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