Base | Representation |
---|---|
bin | 1011010001111111001… |
… | …00111010110010011111 |
3 | 1101001111110120002121111 |
4 | 11220333210322302133 |
5 | 22322313101333411 |
6 | 454022310442451 |
7 | 40001300036653 |
oct | 5507744726237 |
9 | 1331443502544 |
10 | 387613699231 |
11 | 13a4279122a0 |
12 | 63157063427 |
13 | 2a7234507a5 |
14 | 14a91148a63 |
15 | a1392bd721 |
hex | 5a3f93ac9f |
387613699231 has 16 divisors (see below), whose sum is σ = 429286078080. Its totient is φ = 347016811680.
The previous prime is 387613699223. The next prime is 387613699271. The reversal of 387613699231 is 132996316783.
It is not a de Polignac number, because 387613699231 - 23 = 387613699223 is a prime.
It is a super-2 number, since 2×3876136992312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387613699271) 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, 2547580 + ... + 2695438.
It is an arithmetic number, because the mean of its divisors is an integer number (26830379880).
Almost surely, 2387613699231 is an apocalyptic number.
387613699231 is a deficient number, since it is larger than the sum of its proper divisors (41672378849).
387613699231 is a wasteful number, since it uses less digits than its factorization.
387613699231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151494.
The product of its digits is 8817984, while the sum is 58.
The spelling of 387613699231 in words is "three hundred eighty-seven billion, six hundred thirteen million, six hundred ninety-nine thousand, two hundred thirty-one".
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