Base | Representation |
---|---|
bin | 1010111110101010100… |
… | …0101111100110100101 |
3 | 200000212021002001102201 |
4 | 2233222220233212211 |
5 | 11042243224034023 |
6 | 222352332134501 |
7 | 16425116522251 |
oct | 2575250574645 |
9 | 600767061381 |
10 | 188620143013 |
11 | 72aa2176215 |
12 | 30680607431 |
13 | 14a2c7b67a3 |
14 | 91b49b1261 |
15 | 4d8e39ebad |
hex | 2beaa2f9a5 |
188620143013 has 16 divisors (see below), whose sum is σ = 195782549760. Its totient is φ = 181582502400.
The previous prime is 188620143007. The next prime is 188620143097. The reversal of 188620143013 is 310341026881.
It is a cyclic number.
It is not a de Polignac number, because 188620143013 - 25 = 188620142981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188624143013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5739318 + ... + 5772088.
It is an arithmetic number, because the mean of its divisors is an integer number (12236409360).
Almost surely, 2188620143013 is an apocalyptic number.
It is an amenable number.
188620143013 is a deficient number, since it is larger than the sum of its proper divisors (7162406747).
188620143013 is a wasteful number, since it uses less digits than its factorization.
188620143013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34668.
The product of its (nonzero) digits is 27648, while the sum is 37.
Adding to 188620143013 its reverse (310341026881), we get a palindrome (498961169894).
The spelling of 188620143013 in words is "one hundred eighty-eight billion, six hundred twenty million, one hundred forty-three thousand, thirteen".
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