Base | Representation |
---|---|
bin | 1000011101101101010… |
… | …0001101101111001100 |
3 | 111220100010000121221202 |
4 | 2013123110031233030 |
5 | 4340301314231340 |
6 | 150445122245032 |
7 | 13335323522462 |
oct | 2073324155714 |
9 | 456303017852 |
10 | 145413430220 |
11 | 567400aa413 |
12 | 242227b6778 |
13 | 10935285146 |
14 | 707658c832 |
15 | 3bb10e0c15 |
hex | 21db50dbcc |
145413430220 has 12 divisors (see below), whose sum is σ = 305368203504. Its totient is φ = 58165372080.
The previous prime is 145413430187. The next prime is 145413430223. The reversal of 145413430220 is 22034314541.
It is a super-2 number, since 2×1454134302202 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145413430223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3635335736 + ... + 3635335775.
It is an arithmetic number, because the mean of its divisors is an integer number (25447350292).
Almost surely, 2145413430220 is an apocalyptic number.
145413430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145413430220 is an abundant number, since it is smaller than the sum of its proper divisors (159954773284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145413430220 is a wasteful number, since it uses less digits than its factorization.
145413430220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7270671520 (or 7270671518 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 145413430220 its reverse (22034314541), we get a palindrome (167447744761).
The spelling of 145413430220 in words is "one hundred forty-five billion, four hundred thirteen million, four hundred thirty thousand, two hundred twenty".
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