Base | Representation |
---|---|
bin | 1101110110101011001… |
… | …1011100101010101010 |
3 | 211202100200100110221210 |
4 | 3131222303130222222 |
5 | 12344423324313223 |
6 | 301202001013550 |
7 | 23124143511306 |
oct | 3355263345252 |
9 | 752320313853 |
10 | 238015072938 |
11 | 91a3a338155 |
12 | 3a1669242b6 |
13 | 195a20a3c86 |
14 | b73cbd8d06 |
15 | 62d0a74893 |
hex | 376acdcaaa |
238015072938 has 32 divisors (see below), whose sum is σ = 505767421440. Its totient is φ = 74460196080.
The previous prime is 238015072877. The next prime is 238015072951. The reversal of 238015072938 is 839270510832.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9744118 + ... + 9768513.
It is an arithmetic number, because the mean of its divisors is an integer number (15805231920).
Almost surely, 2238015072938 is an apocalyptic number.
238015072938 is an abundant number, since it is smaller than the sum of its proper divisors (267752348502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238015072938 is a wasteful number, since it uses less digits than its factorization.
238015072938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19512762.
The product of its (nonzero) digits is 725760, while the sum is 48.
The spelling of 238015072938 in words is "two hundred thirty-eight billion, fifteen million, seventy-two thousand, nine hundred thirty-eight".
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