Base | Representation |
---|---|
bin | 1011101100110100110… |
… | …0000111011110001110 |
3 | 201012211210122212110102 |
4 | 2323031030013132032 |
5 | 11243132304014410 |
6 | 232202043211102 |
7 | 20344145214314 |
oct | 2731514073616 |
9 | 635753585412 |
10 | 201011001230 |
11 | 78280519406 |
12 | 32b5a216a92 |
13 | 15c5590b860 |
14 | 9a2c4940b4 |
15 | 53670ca2a5 |
hex | 2ecd30778e |
201011001230 has 64 divisors (see below), whose sum is σ = 392422883328. Its totient is φ = 73692685440.
The previous prime is 201011001137. The next prime is 201011001241. The reversal of 201011001230 is 32100110102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21509939 + ... + 21519281.
It is an arithmetic number, because the mean of its divisors is an integer number (6131607552).
Almost surely, 2201011001230 is an apocalyptic number.
201011001230 is a deficient number, since it is larger than the sum of its proper divisors (191411882098).
201011001230 is a wasteful number, since it uses less digits than its factorization.
201011001230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10521.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 201011001230 its reverse (32100110102), we get a palindrome (233111111332).
The spelling of 201011001230 in words is "two hundred one billion, eleven million, one thousand, two hundred thirty".
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