Base | Representation |
---|---|
bin | 10000001011111100… |
… | …111110000001001111 |
3 | 1122212021021212022010 |
4 | 100023330332001033 |
5 | 241043340314411 |
6 | 11552350152303 |
7 | 1153462654464 |
oct | 201374760117 |
9 | 48767255263 |
10 | 17380401231 |
11 | 7409868766 |
12 | 34507b2693 |
13 | 183ca620ab |
14 | bac42166b |
15 | 6bacb87a6 |
hex | 40bf3e04f |
17380401231 has 32 divisors (see below), whose sum is σ = 24874795008. Its totient is φ = 10756247040.
The previous prime is 17380401229. The next prime is 17380401263. The reversal of 17380401231 is 13210408371.
It is not a de Polignac number, because 17380401231 - 21 = 17380401229 is a prime.
It is a super-2 number, since 2×173804012312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17380401431) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112766 + ... + 1128276.
It is an arithmetic number, because the mean of its divisors is an integer number (777337344).
Almost surely, 217380401231 is an apocalyptic number.
17380401231 is a deficient number, since it is larger than the sum of its proper divisors (7494393777).
17380401231 is a wasteful number, since it uses less digits than its factorization.
17380401231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15831.
The product of its (nonzero) digits is 4032, while the sum is 30.
The spelling of 17380401231 in words is "seventeen billion, three hundred eighty million, four hundred one thousand, two hundred thirty-one".
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