Search a number
-
+
20188712373307 = 293101516787849
BaseRepresentation
bin1001001011100100011010…
…00001111000110000111011
32122111000121002002100021021
410211302031001320300323
510121232440331421212
6110534322203123311
74152405053516152
oct445621501706073
978430532070237
1020188712373307
116483a918a8235
12232085ab13537
13b35a30c2065a
144db1d319a599
1525024c3a3307
hex125c8d078c3b

20188712373307 has 8 divisors (see below), whose sum is σ = 20259614440800. Its totient is φ = 20117823902400.

The previous prime is 20188712373293. The next prime is 20188712373311. The reversal of 20188712373307 is 70337321788102.

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 20188712373307 - 211 = 20188712371259 is a prime.

It is a super-2 number, since 2×201887123733072 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20188712373007) 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, 419682 + ... + 6368167.

It is an arithmetic number, because the mean of its divisors is an integer number (2532451805100).

Almost surely, 220188712373307 is an apocalyptic number.

20188712373307 is a deficient number, since it is larger than the sum of its proper divisors (70902067493).

20188712373307 is a wasteful number, since it uses less digits than its factorization.

20188712373307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798293.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 20188712373307 in words is "twenty trillion, one hundred eighty-eight billion, seven hundred twelve million, three hundred seventy-three thousand, three hundred seven".

Divisors: 1 293 10151 2974243 6787849 1988839757 68903455199 20188712373307