Base | Representation |
---|---|
bin | 1101111000101001001… |
… | …1010110011000000000 |
3 | 211210201111201212001000 |
4 | 3132022103112120000 |
5 | 12402014120420342 |
6 | 301330235412000 |
7 | 23143221355023 |
oct | 3361223263000 |
9 | 753644655030 |
10 | 238543529472 |
11 | 92190670396 |
12 | 3a2938b4000 |
13 | 19657710651 |
14 | b78d07b1ba |
15 | 631215e44c |
hex | 378a4d6600 |
238543529472 has 80 divisors (see below), whose sum is σ = 706105453680. Its totient is φ = 79514505216.
The previous prime is 238543529461. The next prime is 238543529473. The reversal of 238543529472 is 274925345832.
238543529472 is a `hidden beast` number, since 2 + 3 + 8 + 5 + 43 + 529 + 4 + 72 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238543529473) 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, 8614053 + ... + 8641700.
It is an arithmetic number, because the mean of its divisors is an integer number (8826318171).
Almost surely, 2238543529472 is an apocalyptic number.
It is an amenable number.
238543529472 is an abundant number, since it is smaller than the sum of its proper divisors (467561924208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238543529472 is an equidigital number, since it uses as much as digits as its factorization.
238543529472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17255780 (or 17255758 counting only the distinct ones).
The product of its digits is 14515200, while the sum is 54.
The spelling of 238543529472 in words is "two hundred thirty-eight billion, five hundred forty-three million, five hundred twenty-nine thousand, four hundred seventy-two".
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