Base | Representation |
---|---|
bin | 1110010001100110110… |
… | …00011101110111000000 |
3 | 1201220000222022111001110 |
4 | 13020303120131313000 |
5 | 31014010002323040 |
6 | 1013154403003320 |
7 | 50302520650206 |
oct | 7106330356700 |
9 | 1656028274043 |
10 | 490488323520 |
11 | 17a018965148 |
12 | 7b087669540 |
13 | 37339687a40 |
14 | 19a4dc97076 |
15 | cb5aa83980 |
hex | 723361ddc0 |
490488323520 has 112 divisors (see below), whose sum is σ = 1677092810400. Its totient is φ = 120735584256.
The previous prime is 490488323513. The next prime is 490488323531. The reversal of 490488323520 is 25323884094.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 490488323520.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19638495 + ... + 19663454.
It is an arithmetic number, because the mean of its divisors is an integer number (14974042950).
Almost surely, 2490488323520 is an apocalyptic number.
490488323520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
490488323520 is an abundant number, since it is smaller than the sum of its proper divisors (1186604486880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490488323520 is a wasteful number, since it uses less digits than its factorization.
490488323520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39301982 (or 39301972 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 48.
The spelling of 490488323520 in words is "four hundred ninety billion, four hundred eighty-eight million, three hundred twenty-three thousand, five hundred twenty".
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