Base | Representation |
---|---|
bin | 1110010010011100001… |
… | …00110100010001010000 |
3 | 1201221012011222210110102 |
4 | 13021032010310101100 |
5 | 31020414124013024 |
6 | 1013311041351532 |
7 | 50316566325020 |
oct | 7111604642120 |
9 | 1657164883412 |
10 | 490936157264 |
11 | 17a228731283 |
12 | 7b1916385a8 |
13 | 373ab3a6717 |
14 | 19a9354da80 |
15 | cb850451ae |
hex | 724e134450 |
490936157264 has 80 divisors (see below), whose sum is σ = 1094105865600. Its totient is φ = 209042975232.
The previous prime is 490936157251. The next prime is 490936157303. The reversal of 490936157264 is 462751639094.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16290242 + ... + 16320350.
It is an arithmetic number, because the mean of its divisors is an integer number (13676323320).
Almost surely, 2490936157264 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 490936157264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547052932800).
490936157264 is an abundant number, since it is smaller than the sum of its proper divisors (603169708336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490936157264 is a wasteful number, since it uses less digits than its factorization.
490936157264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31060 (or 31054 counting only the distinct ones).
The product of its (nonzero) digits is 9797760, while the sum is 56.
The spelling of 490936157264 in words is "four hundred ninety billion, nine hundred thirty-six million, one hundred fifty-seven thousand, two hundred sixty-four".
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