Base | Representation |
---|---|
bin | 1010100100101010… |
… | …1101000110011000 |
3 | 21022210111020122202 |
4 | 2221022231012120 |
5 | 21303031440142 |
6 | 1145343305332 |
7 | 130221632222 |
oct | 25112550630 |
9 | 7283436582 |
10 | 2838155672 |
11 | 1227079400 |
12 | 6725ab248 |
13 | 362cc9471 |
14 | 1ccd17412 |
15 | 119275032 |
hex | a92ad198 |
2838155672 has 48 divisors (see below), whose sum is σ = 5860065120. Its totient is φ = 1287696960.
The previous prime is 2838155641. The next prime is 2838155713. The reversal of 2838155672 is 2765518382.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590993 + ... + 595775.
It is an arithmetic number, because the mean of its divisors is an integer number (122084690).
Almost surely, 22838155672 is an apocalyptic number.
2838155672 is a gapful number since it is divisible by the number (22) 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 2838155672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930032560).
2838155672 is an abundant number, since it is smaller than the sum of its proper divisors (3021909448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2838155672 is a wasteful number, since it uses less digits than its factorization.
2838155672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5424 (or 5409 counting only the distinct ones).
The product of its digits is 806400, while the sum is 47.
The square root of 2838155672 is about 53274.3434685027. The cubic root of 2838155672 is about 1415.8331314634.
The spelling of 2838155672 in words is "two billion, eight hundred thirty-eight million, one hundred fifty-five thousand, six hundred seventy-two".
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