Base | Representation |
---|---|
bin | 1011010110100010111… |
… | …1001100100110101100 |
3 | 200122102000201200012002 |
4 | 2311220233030212230 |
5 | 11143410331344210 |
6 | 225332413231432 |
7 | 20043020601545 |
oct | 2655057144654 |
9 | 618360650162 |
10 | 195030731180 |
11 | 75791843a6a |
12 | 3196b492578 |
13 | 1551196031c |
14 | 962213d4cc |
15 | 511708d4a5 |
hex | 2d68bcc9ac |
195030731180 has 12 divisors (see below), whose sum is σ = 409564535520. Its totient is φ = 78012292464.
The previous prime is 195030731177. The next prime is 195030731219. The reversal of 195030731180 is 81137030591.
It is a super-2 number, since 2×1950307311802 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4875768260 + ... + 4875768299.
It is an arithmetic number, because the mean of its divisors is an integer number (34130377960).
Almost surely, 2195030731180 is an apocalyptic number.
195030731180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
195030731180 is an abundant number, since it is smaller than the sum of its proper divisors (214533804340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195030731180 is a wasteful number, since it uses less digits than its factorization.
195030731180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9751536568 (or 9751536566 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 38.
The spelling of 195030731180 in words is "one hundred ninety-five billion, thirty million, seven hundred thirty-one thousand, one hundred eighty".
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