Base | Representation |
---|---|
bin | 1000011101000000110… |
… | …1010111000010010010 |
3 | 111212212010101020220000 |
4 | 2013100031113002102 |
5 | 4334411113141142 |
6 | 150414424230430 |
7 | 13330601563014 |
oct | 2072015270222 |
9 | 455763336800 |
10 | 145227083922 |
11 | 566549a2708 |
12 | 2419030b416 |
13 | 1090579b76b |
14 | 70599221b4 |
15 | 3b9ea8214c |
hex | 21d0357092 |
145227083922 has 90 divisors (see below), whose sum is σ = 330459496983. Its totient is φ = 47670143976.
The previous prime is 145227083909. The next prime is 145227083971. The reversal of 145227083922 is 229380722541.
145227083922 is a `hidden beast` number, since 1 + 4 + 522 + 70 + 8 + 39 + 22 = 666.
It can be written as a sum of positive squares in only one way, i.e., 72613541961 + 72613541961 = 269469^2 + 269469^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=269469.
It is an unprimeable number.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 383184729 + ... + 383185107.
Almost surely, 2145227083922 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145227083922
145227083922 is an abundant number, since it is smaller than the sum of its proper divisors (185232413061).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145227083922 is an frugal number, since it uses more digits than its factorization.
145227083922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 930 (or 463 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 145227083922 in words is "one hundred forty-five billion, two hundred twenty-seven million, eighty-three thousand, nine hundred twenty-two".
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