Base | Representation |
---|---|
bin | 10000001100100101… |
… | …111000010011101110 |
3 | 1122220000110201120020 |
4 | 100030211320103232 |
5 | 241104112010432 |
6 | 11553412103010 |
7 | 1153653062334 |
oct | 201445702356 |
9 | 48800421506 |
10 | 17391125742 |
11 | 74149231a1 |
12 | 3454304a66 |
13 | 1842048663 |
14 | bada13b54 |
15 | 6bbbd622c |
hex | 40c9784ee |
17391125742 has 32 divisors (see below), whose sum is σ = 35393416224. Its totient is φ = 5695401600.
The previous prime is 17391125729. The next prime is 17391125761. The reversal of 17391125742 is 24752119371.
It is a junction number, because it is equal to n+sod(n) for n = 17391125694 and 17391125703.
It is a congruent number.
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, 293892 + ... + 348072.
It is an arithmetic number, because the mean of its divisors is an integer number (1106044257).
Almost surely, 217391125742 is an apocalyptic number.
17391125742 is an abundant number, since it is smaller than the sum of its proper divisors (18002290482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17391125742 is a wasteful number, since it uses less digits than its factorization.
17391125742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55124.
The product of its digits is 105840, while the sum is 42.
The spelling of 17391125742 in words is "seventeen billion, three hundred ninety-one million, one hundred twenty-five thousand, seven hundred forty-two".
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