Base | Representation |
---|---|
bin | 11000001000010100… |
… | …10010101000000000 |
3 | 1020102211120101011210 |
4 | 30010022102220000 |
5 | 203012401132410 |
6 | 5541252210120 |
7 | 636013130250 |
oct | 140412225000 |
9 | 36384511153 |
10 | 12954708480 |
11 | 554866024a |
12 | 2616609940 |
13 | 12b5ba479c |
14 | 8ac739960 |
15 | 50c4a7220 |
hex | 304292a00 |
12954708480 has 320 divisors, whose sum is σ = 47993856768. Its totient is φ = 2919628800.
The previous prime is 12954708479. The next prime is 12954708491. The reversal of 12954708480 is 8480745921.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (320).
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 3922830 + ... + 3926130.
Almost surely, 212954708480 is an apocalyptic number.
12954708480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12954708480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23996928384).
12954708480 is an abundant number, since it is smaller than the sum of its proper divisors (35039148288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12954708480 is an equidigital number, since it uses as much as digits as its factorization.
12954708480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3407 (or 3391 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 48.
The spelling of 12954708480 in words is "twelve billion, nine hundred fifty-four million, seven hundred eight thousand, four hundred eighty".
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