Base | Representation |
---|---|
bin | 1000011101000111100… |
… | …0111111111110110000 |
3 | 111212221002110211111110 |
4 | 2013101320333332300 |
5 | 4334440324113130 |
6 | 150421313113320 |
7 | 13331363454453 |
oct | 2072170777660 |
9 | 455832424443 |
10 | 145255301040 |
11 | 56669915643 |
12 | 24199858840 |
13 | 1090b59b095 |
14 | 705d58949a |
15 | 3ba22a7ab0 |
hex | 21d1e3ffb0 |
145255301040 has 80 divisors (see below), whose sum is σ = 459872137728. Its totient is φ = 37910600448.
The previous prime is 145255301011. The next prime is 145255301047. The reversal of 145255301040 is 40103552541.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 145255300989 and 145255301007.
It is not an unprimeable number, because it can be changed into a prime (145255301047) 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, 6427342 + ... + 6449901.
Almost surely, 2145255301040 is an apocalyptic number.
145255301040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145255301040 is an abundant number, since it is smaller than the sum of its proper divisors (314616836688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145255301040 is a wasteful number, since it uses less digits than its factorization.
145255301040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12877306 (or 12877300 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 30.
Adding to 145255301040 its reverse (40103552541), we get a palindrome (185358853581).
The spelling of 145255301040 in words is "one hundred forty-five billion, two hundred fifty-five million, three hundred one thousand, forty".
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