Base | Representation |
---|---|
bin | 10001110101111010… |
… | …010010001011101100 |
3 | 1211110011022102021010 |
4 | 101311322102023230 |
5 | 303213432113114 |
6 | 12445012105220 |
7 | 1245520004205 |
oct | 216572221354 |
9 | 54404272233 |
10 | 19158082284 |
11 | 8141268860 |
12 | 3868005210 |
13 | 1a64139383 |
14 | cda5685ac |
15 | 771db3c59 |
hex | 475e922ec |
19158082284 has 48 divisors (see below), whose sum is σ = 49803618816. Its totient is φ = 5681956800.
The previous prime is 19158082249. The next prime is 19158082301. The reversal of 19158082284 is 48228085191.
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, 1537807 + ... + 1550214.
It is an arithmetic number, because the mean of its divisors is an integer number (1037575392).
Almost surely, 219158082284 is an apocalyptic number.
It is an amenable number.
19158082284 is an abundant number, since it is smaller than the sum of its proper divisors (30645536532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19158082284 is a wasteful number, since it uses less digits than its factorization.
19158082284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3088086 (or 3088084 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 48.
The spelling of 19158082284 in words is "nineteen billion, one hundred fifty-eight million, eighty-two thousand, two hundred eighty-four".
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