Base | Representation |
---|---|
bin | 1101111001101101011… |
… | …1010100111111000101 |
3 | 211211110110101010211200 |
4 | 3132123113110333011 |
5 | 12403110411110104 |
6 | 301414503053113 |
7 | 23153265451233 |
oct | 3363327247705 |
9 | 754413333750 |
10 | 238829785029 |
11 | 92318207430 |
12 | 3a353741199 |
13 | 196a1b08434 |
14 | b7b90b3953 |
15 | 632c355b39 |
hex | 379b5d4fc5 |
238829785029 has 12 divisors (see below), whose sum is σ = 376337843232. Its totient is φ = 144745324200.
The previous prime is 238829784979. The next prime is 238829785049. The reversal of 238829785029 is 920587928832.
238829785029 is a `hidden beast` number, since 2 + 38 + 8 + 2 + 97 + 8 + 502 + 9 = 666.
It is not a de Polignac number, because 238829785029 - 213 = 238829776837 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238829785049) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206210937 + ... + 1206211134.
It is an arithmetic number, because the mean of its divisors is an integer number (31361486936).
Almost surely, 2238829785029 is an apocalyptic number.
It is an amenable number.
238829785029 is a deficient number, since it is larger than the sum of its proper divisors (137508058203).
238829785029 is a wasteful number, since it uses less digits than its factorization.
238829785029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2412422088 (or 2412422085 counting only the distinct ones).
The product of its (nonzero) digits is 34836480, while the sum is 63.
The spelling of 238829785029 in words is "two hundred thirty-eight billion, eight hundred twenty-nine million, seven hundred eighty-five thousand, twenty-nine".
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