Base | Representation |
---|---|
bin | 1000011101000000110… |
… | …0111100010010100000 |
3 | 111212212010011200121110 |
4 | 2013100030330102200 |
5 | 4334411101134433 |
6 | 150414422023320 |
7 | 13330600625430 |
oct | 2072014742240 |
9 | 455763150543 |
10 | 145226974368 |
11 | 56654928373 |
12 | 24190277b40 |
13 | 10905760938 |
14 | 70598d42c0 |
15 | 3b9ea5e963 |
hex | 21d033c4a0 |
145226974368 has 48 divisors (see below), whose sum is σ = 435680925120. Its totient is φ = 41493421056.
The previous prime is 145226974351. The next prime is 145226974369. The reversal of 145226974368 is 863479622541.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (145226974369) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108055113 + ... + 108056456.
It is an arithmetic number, because the mean of its divisors is an integer number (9076685940).
Almost surely, 2145226974368 is an apocalyptic number.
It is an amenable number.
145226974368 is an abundant number, since it is smaller than the sum of its proper divisors (290453950752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145226974368 is a wasteful number, since it uses less digits than its factorization.
145226974368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216111589 (or 216111581 counting only the distinct ones).
The product of its digits is 17418240, while the sum is 57.
The spelling of 145226974368 in words is "one hundred forty-five billion, two hundred twenty-six million, nine hundred seventy-four thousand, three hundred sixty-eight".
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