Base | Representation |
---|---|
bin | 1000101111110010011110… |
… | …00100001001000110101100 |
3 | 2112002202210202220121211100 |
4 | 10113321033010021012230 |
5 | 10010113110122144140 |
6 | 104524022004523100 |
7 | 4023424105524141 |
oct | 427711704110654 |
9 | 75082722817740 |
10 | 19234190037420 |
11 | 61461a0929516 |
12 | 21a786b3b0490 |
13 | a96a127ca647 |
14 | 4a6d22a023c8 |
15 | 2354d3480530 |
hex | 117e4f1091ac |
19234190037420 has 72 divisors (see below), whose sum is σ = 58354431788016. Its totient is φ = 5128174749312.
The previous prime is 19234190037287. The next prime is 19234190037427. The reversal of 19234190037420 is 2473009143291.
19234190037420 is a `hidden beast` number, since 1 + 9 + 2 + 3 + 4 + 190 + 0 + 37 + 420 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (19234190037427) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8836227 + ... + 10795706.
It is an arithmetic number, because the mean of its divisors is an integer number (810478219278).
Almost surely, 219234190037420 is an apocalyptic number.
19234190037420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19234190037420 is an abundant number, since it is smaller than the sum of its proper divisors (39120241750596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19234190037420 is a wasteful number, since it uses less digits than its factorization.
19234190037420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19637391 (or 19637386 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The spelling of 19234190037420 in words is "nineteen trillion, two hundred thirty-four billion, one hundred ninety million, thirty-seven thousand, four hundred twenty".
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