Base | Representation |
---|---|
bin | 1010111110101101111… |
… | …0000111001000010100 |
3 | 200000220020101211002211 |
4 | 2233223132013020110 |
5 | 11042310314224022 |
6 | 222353552043204 |
7 | 16425346450363 |
oct | 2575336071024 |
9 | 600806354084 |
10 | 188634133012 |
11 | 72aaa0610a6 |
12 | 30685233504 |
13 | 14a326744b0 |
14 | 91b67b37da |
15 | 4d90714e77 |
hex | 2beb787214 |
188634133012 has 96 divisors (see below), whose sum is σ = 373103216640. Its totient is φ = 82797137280.
The previous prime is 188634132991. The next prime is 188634133013. The reversal of 188634133012 is 210331436881.
It is a super-2 number, since 2×1886341330122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188634133013) 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, 232594087 + ... + 232594897.
It is an arithmetic number, because the mean of its divisors is an integer number (3886491840).
Almost surely, 2188634133012 is an apocalyptic number.
It is an amenable number.
188634133012 is a deficient number, since it is larger than the sum of its proper divisors (184469083628).
188634133012 is a wasteful number, since it uses less digits than its factorization.
188634133012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1733 (or 1731 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 40.
Adding to 188634133012 its reverse (210331436881), we get a palindrome (398965569893).
The spelling of 188634133012 in words is "one hundred eighty-eight billion, six hundred thirty-four million, one hundred thirty-three thousand, twelve".
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