Base | Representation |
---|---|
bin | 1010100001010100010… |
… | …1011111010010001110 |
3 | 122021112020200120112012 |
4 | 2220111011133102032 |
5 | 10430130022334310 |
6 | 215010520341222 |
7 | 16025651640125 |
oct | 2502505372216 |
9 | 567466616465 |
10 | 180742386830 |
11 | 6a71a402415 |
12 | 2b042314812 |
13 | 140756a49b5 |
14 | 8a68648abc |
15 | 4a7c99ec05 |
hex | 2a1515f48e |
180742386830 has 16 divisors (see below), whose sum is σ = 326573321184. Its totient is φ = 72022060320.
The previous prime is 180742386823. The next prime is 180742386907. The reversal of 180742386830 is 38683247081.
It is a super-4 number, since 4×1807423868304 (a number of 46 digits) contains 4444 as substring.
It is a congruent number.
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, 34359041 + ... + 34364300.
It is an arithmetic number, because the mean of its divisors is an integer number (20410832574).
Almost surely, 2180742386830 is an apocalyptic number.
180742386830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
180742386830 is a deficient number, since it is larger than the sum of its proper divisors (145830934354).
180742386830 is a wasteful number, since it uses less digits than its factorization.
180742386830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68723611.
The product of its (nonzero) digits is 1548288, while the sum is 50.
The spelling of 180742386830 in words is "one hundred eighty billion, seven hundred forty-two million, three hundred eighty-six thousand, eight hundred thirty".
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