Base | Representation |
---|---|
bin | 110111101100100101110101… |
… | …1011110100110111001000000 |
3 | 2101020122021212102100001112200 |
4 | 1233121023223132212321000 |
5 | 1003203221214201124122 |
6 | 4453543124155153200 |
7 | 205123044644622360 |
oct | 15731135336467100 |
9 | 2336567772301480 |
10 | 489913690254912 |
11 | 132113258141910 |
12 | 46b4467b745800 |
13 | 180498801072b1 |
14 | 88d9d405949a0 |
15 | 3b98ba55bc5ac |
hex | 1bd92eb7a6e40 |
489913690254912 has 2688 divisors, whose sum is σ = 1993440760197120. Its totient is φ = 111030829056000.
The previous prime is 489913690254889. The next prime is 489913690254941. The reversal of 489913690254912 is 219452096319984.
489913690254912 is a `hidden beast` number, since 4 + 8 + 9 + 9 + 1 + 3 + 69 + 0 + 2 + 549 + 12 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 184386031888 + ... + 184386034544.
Almost surely, 2489913690254912 is an apocalyptic number.
489913690254912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 489913690254912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996720380098560).
489913690254912 is an abundant number, since it is smaller than the sum of its proper divisors (1503527069942208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489913690254912 is a wasteful number, since it uses less digits than its factorization.
489913690254912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3001 (or 2988 counting only the distinct ones).
The product of its (nonzero) digits is 302330880, while the sum is 72.
The spelling of 489913690254912 in words is "four hundred eighty-nine trillion, nine hundred thirteen billion, six hundred ninety million, two hundred fifty-four thousand, nine hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •