Base | Representation |
---|---|
bin | 1010111011100110100110… |
… | …1001001110100011001000 |
3 | 1120120000101002222210011101 |
4 | 2232321221221032203020 |
5 | 3033410044233100014 |
6 | 41321254422311144 |
7 | 2350231164036316 |
oct | 256715151164310 |
9 | 46500332883141 |
10 | 12019090909384 |
11 | 39142a4532669 |
12 | 14214692884b4 |
13 | 69251a93a180 |
14 | 2d7a2725d0b6 |
15 | 15c99de66474 |
hex | aee69a4e8c8 |
12019090909384 has 32 divisors (see below), whose sum is σ = 24273932349240. Its totient is φ = 5546218060800.
The previous prime is 12019090909367. The next prime is 12019090909391. The reversal of 12019090909384 is 48390909091021.
12019090909384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 10336160700100 + 1682930209284 = 3214990^2 + 1297278^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10436337 + ... + 11530624.
Almost surely, 212019090909384 is an apocalyptic number.
It is an amenable number.
12019090909384 is an abundant number, since it is smaller than the sum of its proper divisors (12254841439856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12019090909384 is a wasteful number, since it uses less digits than its factorization.
12019090909384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21972241 (or 21972237 counting only the distinct ones).
The product of its (nonzero) digits is 1259712, while the sum is 55.
The spelling of 12019090909384 in words is "twelve trillion, nineteen billion, ninety million, nine hundred nine thousand, three hundred eighty-four".
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