Base | Representation |
---|---|
bin | 1010111100100011110… |
… | …0110101110111110111 |
3 | 122222101212122010002001 |
4 | 2233020330311313313 |
5 | 11040114034024411 |
6 | 222220303000131 |
7 | 16405115002660 |
oct | 2571074656767 |
9 | 588355563061 |
10 | 188054986231 |
11 | 728321565a2 |
12 | 30543299047 |
13 | 1496c69a4a8 |
14 | 915d8d8367 |
15 | 4d59965dc1 |
hex | 2bc8f35df7 |
188054986231 has 8 divisors (see below), whose sum is σ = 216033560864. Its totient is φ = 160354805760.
The previous prime is 188054986219. The next prime is 188054986279. The reversal of 188054986231 is 132689450881.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 188054986231 - 25 = 188054986199 is a prime.
It is a super-2 number, since 2×1880549862312 (a number of 23 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 (188054980231) 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, 69597090 + ... + 69599791.
It is an arithmetic number, because the mean of its divisors is an integer number (27004195108).
Almost surely, 2188054986231 is an apocalyptic number.
188054986231 is a deficient number, since it is larger than the sum of its proper divisors (27978574633).
188054986231 is a wasteful number, since it uses less digits than its factorization.
188054986231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139197081.
The product of its (nonzero) digits is 3317760, while the sum is 55.
The spelling of 188054986231 in words is "one hundred eighty-eight billion, fifty-four million, nine hundred eighty-six thousand, two hundred thirty-one".
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