Base | Representation |
---|---|
bin | 1101111001010001111… |
… | …0001001010101001110 |
3 | 211211011101202100102101 |
4 | 3132110132021111032 |
5 | 12402341304204130 |
6 | 301355212145314 |
7 | 23150362432621 |
oct | 3362436112516 |
9 | 754141670371 |
10 | 238714131790 |
11 | 922689a4442 |
12 | 3a320a6823a |
13 | 19683b73b74 |
14 | b7a79a9db8 |
15 | 632210d1ca |
hex | 379478954e |
238714131790 has 32 divisors (see below), whose sum is σ = 436730651136. Its totient is φ = 93932330400.
The previous prime is 238714131781. The next prime is 238714131793. The reversal of 238714131790 is 97131417832.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 238714131790.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238714131793) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611892 + ... + 922951.
It is an arithmetic number, because the mean of its divisors is an integer number (13647832848).
Almost surely, 2238714131790 is an apocalyptic number.
238714131790 is a deficient number, since it is larger than the sum of its proper divisors (198016519346).
238714131790 is a wasteful number, since it uses less digits than its factorization.
238714131790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1535104.
The product of its (nonzero) digits is 254016, while the sum is 46.
The spelling of 238714131790 in words is "two hundred thirty-eight billion, seven hundred fourteen million, one hundred thirty-one thousand, seven hundred ninety".
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