Base | Representation |
---|---|
bin | 1101111001001110111… |
… | …0011011001100011001 |
3 | 211211010112012210021100 |
4 | 3132103232123030121 |
5 | 12402330103401131 |
6 | 301354044102013 |
7 | 23150151211221 |
oct | 3362356331431 |
9 | 754115183240 |
10 | 238701622041 |
11 | 9226192a703 |
12 | 3a318834909 |
13 | 196813b3b4c |
14 | b7a6071081 |
15 | 6320e8b7e6 |
hex | 3793b9b319 |
238701622041 has 27 divisors (see below), whose sum is σ = 347438673309. Its totient is φ = 157921781472.
The previous prime is 238701621989. The next prime is 238701622043. The reversal of 238701622041 is 140226107832.
It is a happy number.
The square root of 238701622041 is 488571.
It is a perfect power (a square), and thus also a powerful number.
238701622041 is a `hidden beast` number, since 2 + 387 + 0 + 16 + 220 + 41 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 12224619225 + 226477002816 = 110565^2 + 475896^2 .
It is not a de Polignac number, because 238701622041 - 27 = 238701621913 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 238701621987 and 238701622005.
It is not an unprimeable number, because it can be changed into a prime (238701622043) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 218390691 + ... + 218391783.
Almost surely, 2238701622041 is an apocalyptic number.
238701622041 is the 488571-st square number.
238701622041 is the 244286-th centered octagonal number.
It is an amenable number.
238701622041 is a deficient number, since it is larger than the sum of its proper divisors (108737051268).
238701622041 is an frugal number, since it uses more digits than its factorization.
238701622041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2490 (or 1245 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
Multiplying 238701622041 by its sum of digits (36), we get a square (8593258393476 = 29314262).
Adding to 238701622041 its reverse (140226107832), we get a palindrome (378927729873).
The spelling of 238701622041 in words is "two hundred thirty-eight billion, seven hundred one million, six hundred twenty-two thousand, forty-one".
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