Base | Representation |
---|---|
bin | 10001110000101011… |
… | …111101101010100000 |
3 | 1211020001101211121000 |
4 | 101300223331222200 |
5 | 303024013122034 |
6 | 12432201432000 |
7 | 1243404040455 |
oct | 216053755240 |
9 | 54201354530 |
10 | 19070442144 |
11 | 80a6849496 |
12 | 384279b600 |
13 | 1a4bc325c0 |
14 | ccca7382c |
15 | 769351599 |
hex | 470afdaa0 |
19070442144 has 96 divisors (see below), whose sum is σ = 59900783040. Its totient is φ = 5867824896.
The previous prime is 19070442049. The next prime is 19070442163. The reversal of 19070442144 is 44124407091.
19070442144 is a `hidden beast` number, since 1 + 9 + 0 + 70 + 442 + 144 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 19070442099 and 19070442108.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837702 + ... + 860165.
It is an arithmetic number, because the mean of its divisors is an integer number (623966490).
Almost surely, 219070442144 is an apocalyptic number.
It is an amenable number.
19070442144 is an abundant number, since it is smaller than the sum of its proper divisors (40830340896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19070442144 is a wasteful number, since it uses less digits than its factorization.
19070442144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1697899 (or 1697885 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 19070442144 in words is "nineteen billion, seventy million, four hundred forty-two thousand, one hundred forty-four".
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