Base | Representation |
---|---|
bin | 101110011001100011… |
… | …011000010100000000 |
3 | 11202121002200100010020 |
4 | 232121203120110000 |
5 | 1304013113011203 |
6 | 34515401133440 |
7 | 3412415026053 |
oct | 563143302400 |
9 | 152532610106 |
10 | 49820828928 |
11 | 1a146617192 |
12 | 97a4a8a280 |
13 | 490c8c9240 |
14 | 25a8a10a9a |
15 | 1468ca2153 |
hex | b998d8500 |
49820828928 has 72 divisors (see below), whose sum is σ = 142795785888. Its totient is φ = 15329482752.
The previous prime is 49820828927. The next prime is 49820828963. The reversal of 49820828928 is 82982802894.
It is a happy number.
It is a super-2 number, since 2×498208289282 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49820828927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2485050 + ... + 2505017.
It is an arithmetic number, because the mean of its divisors is an integer number (1983274804).
Almost surely, 249820828928 is an apocalyptic number.
49820828928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
49820828928 is an abundant number, since it is smaller than the sum of its proper divisors (92974956960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49820828928 is a wasteful number, since it uses less digits than its factorization.
49820828928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4990099 (or 4990085 counting only the distinct ones).
The product of its (nonzero) digits is 10616832, while the sum is 60.
The spelling of 49820828928 in words is "forty-nine billion, eight hundred twenty million, eight hundred twenty-eight thousand, nine hundred twenty-eight".
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