Base | Representation |
---|---|
bin | 1010100111110100… |
… | …0101101001110000 |
3 | 21100201100021022100 |
4 | 2221331011221300 |
5 | 21314422112230 |
6 | 1150534340400 |
7 | 130442121642 |
oct | 25175055160 |
9 | 7321307270 |
10 | 2851363440 |
11 | 123357a612 |
12 | 676aba700 |
13 | 365972103 |
14 | 1d0994892 |
15 | 11a4d3660 |
hex | a9f45a70 |
2851363440 has 120 divisors (see below), whose sum is σ = 10079868240. Its totient is φ = 720340992.
The previous prime is 2851363439. The next prime is 2851363441. The reversal of 2851363440 is 443631582.
2851363440 is a `hidden beast` number, since 2 + 8 + 5 + 13 + 634 + 4 + 0 = 666.
2851363440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2851363439) and next prime (2851363441).
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2851363395 and 2851363404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2851363441) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90537 + ... + 117896.
It is an arithmetic number, because the mean of its divisors is an integer number (83998902).
Almost surely, 22851363440 is an apocalyptic number.
2851363440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2851363440 is an abundant number, since it is smaller than the sum of its proper divisors (7228504800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2851363440 is a wasteful number, since it uses less digits than its factorization.
2851363440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208471 (or 208462 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 36.
The square root of 2851363440 is about 53398.1595188448. The cubic root of 2851363440 is about 1418.0259948034.
The spelling of 2851363440 in words is "two billion, eight hundred fifty-one million, three hundred sixty-three thousand, four hundred forty".
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