Base | Representation |
---|---|
bin | 1000011111001111000… |
… | …1001001101011001000 |
3 | 111221101200221220200021 |
4 | 2013303301021223020 |
5 | 4342121324401221 |
6 | 150553535150224 |
7 | 13351434506641 |
oct | 2076361115310 |
9 | 457350856607 |
10 | 145823668936 |
11 | 56930728880 |
12 | 24318075374 |
13 | 1099c26cb4a |
14 | 70b4c5a6c8 |
15 | 3bd7128041 |
hex | 21f3c49ac8 |
145823668936 has 32 divisors (see below), whose sum is σ = 313974410400. Its totient is φ = 62794880640.
The previous prime is 145823668897. The next prime is 145823668981. The reversal of 145823668936 is 639866328541.
It is a super-2 number, since 2×1458236689362 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43605885 + ... + 43609228.
It is an arithmetic number, because the mean of its divisors is an integer number (9811700325).
Almost surely, 2145823668936 is an apocalyptic number.
It is an amenable number.
145823668936 is an abundant number, since it is smaller than the sum of its proper divisors (168150741464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145823668936 is a wasteful number, since it uses less digits than its factorization.
145823668936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87215149 (or 87215145 counting only the distinct ones).
The product of its digits is 44789760, while the sum is 61.
The spelling of 145823668936 in words is "one hundred forty-five billion, eight hundred twenty-three million, six hundred sixty-eight thousand, nine hundred thirty-six".
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