Base | Representation |
---|---|
bin | 1011000101110111111… |
… | …0010110110111110101 |
3 | 200012212010012120010102 |
4 | 2301131332112313311 |
5 | 11110224112014400 |
6 | 223312335003445 |
7 | 16524064244036 |
oct | 2613576266765 |
9 | 605763176112 |
10 | 190555188725 |
11 | 738a5488750 |
12 | 30b20669585 |
13 | 14c7a66ab55 |
14 | 931999ca8d |
15 | 4e541d19d5 |
hex | 2c5df96df5 |
190555188725 has 24 divisors (see below), whose sum is σ = 257885160960. Its totient is φ = 138523248000.
The previous prime is 190555188709. The next prime is 190555188727. The reversal of 190555188725 is 527881555091.
It is not a de Polignac number, because 190555188725 - 24 = 190555188709 is a prime.
It is a super-2 number, since 2×1905551887252 (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 (190555188727) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460985 + ... + 770465.
It is an arithmetic number, because the mean of its divisors is an integer number (10745215040).
Almost surely, 2190555188725 is an apocalyptic number.
It is an amenable number.
190555188725 is a deficient number, since it is larger than the sum of its proper divisors (67329972235).
190555188725 is a wasteful number, since it uses less digits than its factorization.
190555188725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311741 (or 311736 counting only the distinct ones).
The product of its (nonzero) digits is 5040000, while the sum is 56.
The spelling of 190555188725 in words is "one hundred ninety billion, five hundred fifty-five million, one hundred eighty-eight thousand, seven hundred twenty-five".
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