Base | Representation |
---|---|
bin | 101101100111010111… |
… | …010101110100111011 |
3 | 11200102102021110100012 |
4 | 231213113111310323 |
5 | 1300302033442334 |
6 | 34300041532135 |
7 | 3352512014621 |
oct | 554727256473 |
9 | 150372243305 |
10 | 48978812219 |
11 | 19854298607 |
12 | 95aaaa404b |
13 | 48073248bc |
14 | 2528c69511 |
15 | 1419dca9ce |
hex | b675d5d3b |
48978812219 has 4 divisors (see below), whose sum is σ = 48979282800. Its totient is φ = 48978341640.
The previous prime is 48978812213. The next prime is 48978812243. The reversal of 48978812219 is 91221887984.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 48978812219 - 24 = 48978812203 is a prime.
It is a super-2 number, since 2×489788122192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48978812213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192 + ... + 312989.
It is an arithmetic number, because the mean of its divisors is an integer number (12244820700).
Almost surely, 248978812219 is an apocalyptic number.
48978812219 is a deficient number, since it is larger than the sum of its proper divisors (470581).
48978812219 is a wasteful number, since it uses less digits than its factorization.
48978812219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 470580.
The product of its digits is 4644864, while the sum is 59.
The spelling of 48978812219 in words is "forty-eight billion, nine hundred seventy-eight million, eight hundred twelve thousand, two hundred nineteen".
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