Base | Representation |
---|---|
bin | 11001101001110101… |
… | …00011011101110100 |
3 | 1022112211200221222011 |
4 | 30310322203131310 |
5 | 211201300313430 |
6 | 10154352014004 |
7 | 665204510230 |
oct | 146472433564 |
9 | 38484627864 |
10 | 13772666740 |
11 | 5928347408 |
12 | 2804531304 |
13 | 13b64a4661 |
14 | 94921b5c0 |
15 | 5591ca22a |
hex | 334ea3774 |
13772666740 has 48 divisors (see below), whose sum is σ = 33079866624. Its totient is φ = 4718419200.
The previous prime is 13772666729. The next prime is 13772666753. The reversal of 13772666740 is 4766627731.
It is a super-2 number, since 2×137726667402 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147705 + ... + 222175.
It is an arithmetic number, because the mean of its divisors is an integer number (689163888).
Almost surely, 213772666740 is an apocalyptic number.
13772666740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13772666740 is an abundant number, since it is smaller than the sum of its proper divisors (19307199884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13772666740 is a wasteful number, since it uses less digits than its factorization.
13772666740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75808 (or 75806 counting only the distinct ones).
The product of its (nonzero) digits is 1778112, while the sum is 49.
The spelling of 13772666740 in words is "thirteen billion, seven hundred seventy-two million, six hundred sixty-six thousand, seven hundred forty".
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