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13946843860 = 22517137299417
BaseRepresentation
bin11001111110100101…
…11111001011010100
31022222222110002001121
430333102333023110
5212030343000420
610223533133324
71002421134235
oct147722771324
938888402047
1013946843860
115a076a2244
12285292a244
1314135ba041
149643db08c
155696332aa
hex33f4bf2d4

13946843860 has 48 divisors (see below), whose sum is σ = 31237681104. Its totient is φ = 5212233728.

The previous prime is 13946843857. The next prime is 13946843881. The reversal of 13946843860 is 6834864931.

It can be written as a sum of positive squares in 8 ways, for example, as 2168951184 + 11777892676 = 46572^2 + 108526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13946843798 and 13946843807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103129 + ... + 196288.

It is an arithmetic number, because the mean of its divisors is an integer number (650785023).

Almost surely, 213946843860 is an apocalyptic number.

13946843860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13946843860 is an abundant number, since it is smaller than the sum of its proper divisors (17290837244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13946843860 is a wasteful number, since it uses less digits than its factorization.

13946843860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299580 (or 299578 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 13946843860 in words is "thirteen billion, nine hundred forty-six million, eight hundred forty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 137 170 274 340 548 685 1370 2329 2740 4658 9316 11645 23290 46580 299417 598834 1197668 1497085 2994170 5090089 5988340 10180178 20360356 25450445 41020129 50900890 82040258 101801780 164080516 205100645 410201290 697342193 820402580 1394684386 2789368772 3486710965 6973421930 13946843860