Base | Representation |
---|---|
bin | 1010000000101101… |
… | …1000011110101100 |
3 | 20221021200221021022 |
4 | 2200023120132230 |
5 | 21000424312122 |
6 | 1122354553312 |
7 | 123410666603 |
oct | 24013303654 |
9 | 6837627238 |
10 | 2687338412 |
11 | 1159a29140 |
12 | 62bb98838 |
13 | 33a9a2595 |
14 | 1b6c98a3a |
15 | 10add3642 |
hex | a02d87ac |
2687338412 has 24 divisors (see below), whose sum is σ = 5139406272. Its totient is φ = 1219366800.
The previous prime is 2687338403. The next prime is 2687338417. The reversal of 2687338412 is 2148337862.
It is a super-2 number, since 2×26873384122 = 14443575481221363488, which contains 22 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is not an unprimeable number, because it can be changed into a prime (2687338417) 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, 28358 + ... + 78605.
It is an arithmetic number, because the mean of its divisors is an integer number (214141928).
Almost surely, 22687338412 is an apocalyptic number.
2687338412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2687338412 is a deficient number, since it is larger than the sum of its proper divisors (2452067860).
2687338412 is a wasteful number, since it uses less digits than its factorization.
2687338412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107549 (or 107547 counting only the distinct ones).
The product of its digits is 387072, while the sum is 44.
The square root of 2687338412 is about 51839.5448668292. The cubic root of 2687338412 is about 1390.2965762971.
The spelling of 2687338412 in words is "two billion, six hundred eighty-seven million, three hundred thirty-eight thousand, four hundred twelve".
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