Base | Representation |
---|---|
bin | 11100110100111011111… |
… | …10000000100010100100 |
3 | 10111200122010212101200210 |
4 | 32122131332000202210 |
5 | 112212012121144012 |
6 | 2035005345135420 |
7 | 131363222340615 |
oct | 16323576004244 |
9 | 3450563771623 |
10 | 990492756132 |
11 | 35207a37a960 |
12 | 13bb6a02a570 |
13 | 725316c8259 |
14 | 35d23911c0c |
15 | 1ab71c9023c |
hex | e69df808a4 |
990492756132 has 48 divisors (see below), whose sum is σ = 2525780964672. Its totient is φ = 299610430080.
The previous prime is 990492756047. The next prime is 990492756133. The reversal of 990492756132 is 231657294099.
It is not an unprimeable number, because it can be changed into a prime (990492756133) by changing a digit.
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, 6662323 + ... + 6809370.
It is an arithmetic number, because the mean of its divisors is an integer number (52620436764).
Almost surely, 2990492756132 is an apocalyptic number.
It is an amenable number.
990492756132 is an abundant number, since it is smaller than the sum of its proper divisors (1535288208540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
990492756132 is a wasteful number, since it uses less digits than its factorization.
990492756132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13472268 (or 13472266 counting only the distinct ones).
The product of its (nonzero) digits is 7348320, while the sum is 57.
The spelling of 990492756132 in words is "nine hundred ninety billion, four hundred ninety-two million, seven hundred fifty-six thousand, one hundred thirty-two".
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