Base | Representation |
---|---|
bin | 100100101011100… |
… | …0100101001001110 |
3 | 10011202221100202102 |
4 | 1021113010221032 |
5 | 10010040110402 |
6 | 322043555102 |
7 | 42333333521 |
oct | 11127045116 |
9 | 3152840672 |
10 | 1230785102 |
11 | 581823078 |
12 | 2a422ba92 |
13 | 167cb2911 |
14 | b9664bb8 |
15 | 730bc102 |
hex | 495c4a4e |
1230785102 has 4 divisors (see below), whose sum is σ = 1846177656. Its totient is φ = 615392550.
The previous prime is 1230785093. The next prime is 1230785117. The reversal of 1230785102 is 2015870321.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307696274 + ... + 307696277.
It is an arithmetic number, because the mean of its divisors is an integer number (461544414).
Almost surely, 21230785102 is an apocalyptic number.
1230785102 is a deficient number, since it is larger than the sum of its proper divisors (615392554).
1230785102 is an equidigital number, since it uses as much as digits as its factorization.
1230785102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615392553.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 1230785102 is about 35082.5469713931. The cubic root of 1230785102 is about 1071.6691861600.
The spelling of 1230785102 in words is "one billion, two hundred thirty million, seven hundred eighty-five thousand, one hundred two".
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