Base | Representation |
---|---|
bin | 1000011101000100111… |
… | …1001101001111111100 |
3 | 111212220022212020002210 |
4 | 2013101033031033330 |
5 | 4334430023022330 |
6 | 150420242220420 |
7 | 13331201364603 |
oct | 2072117151774 |
9 | 455808766083 |
10 | 145244345340 |
11 | 56663712446 |
12 | 24196054710 |
13 | 10909233513 |
14 | 705bd36a3a |
15 | 3ba13418b0 |
hex | 21d13cd3fc |
145244345340 has 96 divisors (see below), whose sum is σ = 439768756224. Its totient is φ = 35677864960.
The previous prime is 145244345327. The next prime is 145244345341. The reversal of 145244345340 is 43543442541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145244345341) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1466916 + ... + 1562795.
It is an arithmetic number, because the mean of its divisors is an integer number (4580924544).
Almost surely, 2145244345340 is an apocalyptic number.
145244345340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145244345340 is an abundant number, since it is smaller than the sum of its proper divisors (294524410884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145244345340 is a wasteful number, since it uses less digits than its factorization.
145244345340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3029787 (or 3029785 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 39.
Adding to 145244345340 its reverse (43543442541), we get a palindrome (188787787881).
The spelling of 145244345340 in words is "one hundred forty-five billion, two hundred forty-four million, three hundred forty-five thousand, three hundred forty".
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