Base | Representation |
---|---|
bin | 111001100001100… |
… | …0111010100101101 |
3 | 11222112000010111201 |
4 | 1303003013110231 |
5 | 12423112240034 |
6 | 515310445501 |
7 | 65555253241 |
oct | 16303072455 |
9 | 4875003451 |
10 | 1930196269 |
11 | 900600031 |
12 | 45a503891 |
13 | 249b76c91 |
14 | 1444c8421 |
15 | b46c5014 |
hex | 730c752d |
1930196269 has 16 divisors (see below), whose sum is σ = 2082412800. Its totient is φ = 1782398464.
The previous prime is 1930196251. The next prime is 1930196287. The reversal of 1930196269 is 9626910391.
It is an interprime number because it is at equal distance from previous prime (1930196251) and next prime (1930196287).
It is a cyclic number.
It is not a de Polignac number, because 1930196269 - 211 = 1930194221 is a prime.
It is a super-2 number, since 2×19301962692 = 7451315273723040722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1930196299) 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, 617292 + ... + 620410.
It is an arithmetic number, because the mean of its divisors is an integer number (130150800).
Almost surely, 21930196269 is an apocalyptic number.
It is an amenable number.
1930196269 is a deficient number, since it is larger than the sum of its proper divisors (152216531).
1930196269 is a wasteful number, since it uses less digits than its factorization.
1930196269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3812.
The product of its (nonzero) digits is 157464, while the sum is 46.
The square root of 1930196269 is about 43933.9990098784. Note that the first 3 decimals coincide. The cubic root of 1930196269 is about 1245.0892704385.
The spelling of 1930196269 in words is "one billion, nine hundred thirty million, one hundred ninety-six thousand, two hundred sixty-nine".
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