Base | Representation |
---|---|
bin | 10110101010001… |
… | …01100001010100 |
3 | 111020122220122100 |
4 | 23111011201110 |
5 | 342124431022 |
6 | 30510002100 |
7 | 4465425246 |
oct | 1325054124 |
9 | 436586570 |
10 | 190077012 |
11 | 98325744 |
12 | 537a6330 |
13 | 304c1808 |
14 | 1b35c096 |
15 | 11a491ac |
hex | b545854 |
190077012 has 36 divisors (see below), whose sum is σ = 481280436. Its totient is φ = 63252480.
The previous prime is 190077001. The next prime is 190077023. The reversal of 190077012 is 210770091.
It is an interprime number because it is at equal distance from previous prime (190077001) and next prime (190077023).
It can be written as a sum of positive squares in 2 ways, for example, as 148937616 + 41139396 = 12204^2 + 6414^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1900770122 = 72258540981696288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18958 + ... + 27194.
It is an arithmetic number, because the mean of its divisors is an integer number (13368901).
Almost surely, 2190077012 is an apocalyptic number.
190077012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
190077012 is an abundant number, since it is smaller than the sum of its proper divisors (291203424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190077012 is a wasteful number, since it uses less digits than its factorization.
190077012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8888 (or 8883 counting only the distinct ones).
The product of its (nonzero) digits is 882, while the sum is 27.
The square root of 190077012 is about 13786.8419879246. The cubic root of 190077012 is about 574.9673700450.
The spelling of 190077012 in words is "one hundred ninety million, seventy-seven thousand, twelve".
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