Base | Representation |
---|---|
bin | 10001111110001101… |
… | …100000110101001100 |
3 | 1211210212100110222000 |
4 | 101332031200311030 |
5 | 304010104400443 |
6 | 12510504552300 |
7 | 1252130455440 |
oct | 217615406514 |
9 | 54725313860 |
10 | 19297340748 |
11 | 82029337a4 |
12 | 38a6782690 |
13 | 1a86c4702a |
14 | d10c58820 |
15 | 77e2208d3 |
hex | 47e360d4c |
19297340748 has 96 divisors (see below), whose sum is σ = 58146547200. Its totient is φ = 5420063808.
The previous prime is 19297340731. The next prime is 19297340759. The reversal of 19297340748 is 84704379291.
19297340748 is a `hidden beast` number, since 1 + 9 + 297 + 340 + 7 + 4 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 19297340694 and 19297340703.
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 31 ways as a sum of consecutive naturals, for example, 171715 + ... + 260922.
It is an arithmetic number, because the mean of its divisors is an integer number (605693200).
Almost surely, 219297340748 is an apocalyptic number.
19297340748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
19297340748 is an abundant number, since it is smaller than the sum of its proper divisors (38849206452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19297340748 is a wasteful number, since it uses less digits than its factorization.
19297340748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432716 (or 432708 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 54.
The spelling of 19297340748 in words is "nineteen billion, two hundred ninety-seven million, three hundred forty thousand, seven hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •