Search a number
-
+
188833900133 = 2319142985181
BaseRepresentation
bin1010111111011101100…
…0001010011001100101
3200001102011022001002002
42233313120022121211
511043212434301013
6222425445455045
716433323444664
oct2576730123145
9601364261062
10188833900133
11730a18a509a
1230720111485
1314a64b797a8
1491d5134ddb
154da3025358
hex2bf760a665

188833900133 has 8 divisors (see below), whose sum is σ = 198075718656. Its totient is φ = 179678052400.

The previous prime is 188833900091. The next prime is 188833900141. The reversal of 188833900133 is 331009338881.

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 188833900133 - 228 = 188565464677 is a prime.

It is a super-4 number, since 4×1888339001334 (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188833900153) 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, 21488198 + ... + 21496983.

It is an arithmetic number, because the mean of its divisors is an integer number (24759464832).

Almost surely, 2188833900133 is an apocalyptic number.

It is an amenable number.

188833900133 is a deficient number, since it is larger than the sum of its proper divisors (9241818523).

188833900133 is a wasteful number, since it uses less digits than its factorization.

188833900133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42985395.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 188833900133 in words is "one hundred eighty-eight billion, eight hundred thirty-three million, nine hundred thousand, one hundred thirty-three".

Divisors: 1 23 191 4393 42985181 988659163 8210169571 188833900133