Base | Representation |
---|---|
bin | 1010000001000001… |
… | …0010100101101101 |
3 | 20221101010022010220 |
4 | 2200100102211231 |
5 | 21001242000010 |
6 | 1122442321553 |
7 | 123424635603 |
oct | 24020224555 |
9 | 6841108126 |
10 | 2688625005 |
11 | 115a727840 |
12 | 6304b92b9 |
13 | 33b033091 |
14 | 1b7111873 |
15 | 10b089970 |
hex | a041296d |
2688625005 has 64 divisors (see below), whose sum is σ = 4762644480. Its totient is φ = 1284358400.
The previous prime is 2688624973. The next prime is 2688625007. The reversal of 2688625005 is 5005268862.
It is not a de Polignac number, because 2688625005 - 25 = 2688624973 is a prime.
It is a super-2 number, since 2×26886250052 = 14457408835022500050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2688625007) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3739036 + ... + 3739754.
It is an arithmetic number, because the mean of its divisors is an integer number (74416320).
Almost surely, 22688625005 is an apocalyptic number.
It is an amenable number.
2688625005 is a deficient number, since it is larger than the sum of its proper divisors (2074019475).
2688625005 is a wasteful number, since it uses less digits than its factorization.
2688625005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042.
The product of its (nonzero) digits is 230400, while the sum is 42.
The square root of 2688625005 is about 51851.9527597563. The cubic root of 2688625005 is about 1390.5184141883.
The spelling of 2688625005 in words is "two billion, six hundred eighty-eight million, six hundred twenty-five thousand, five".
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