Search a number
-
+
6418820841 = 32393026389
BaseRepresentation
bin1011111101001011…
…10110111011101001
3121120100010212212020
411332211312323221
5101121204231331
62540533335053
7315031035246
oct57645667351
917510125766
106418820841
1127a4291114
1212b1797489
137b3a99b54
1444c6b25cd
152787b7c96
hex17e976ee9

6418820841 has 8 divisors (see below), whose sum is σ = 8930533440. Its totient is φ = 4093161072.

The previous prime is 6418820833. The next prime is 6418820843. The reversal of 6418820841 is 1480288146.

6418820841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6418820841 - 23 = 6418820833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6418820793 and 6418820802.

It is not an unprimeable number, because it can be changed into a prime (6418820843) 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, 46513126 + ... + 46513263.

It is an arithmetic number, because the mean of its divisors is an integer number (1116316680).

Almost surely, 26418820841 is an apocalyptic number.

It is an amenable number.

6418820841 is a deficient number, since it is larger than the sum of its proper divisors (2511712599).

6418820841 is a wasteful number, since it uses less digits than its factorization.

6418820841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93026415.

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 6418820841 is about 80117.5439026934. The cubic root of 6418820841 is about 1858.4537232700.

The spelling of 6418820841 in words is "six billion, four hundred eighteen million, eight hundred twenty thousand, eight hundred forty-one".

Divisors: 1 3 23 69 93026389 279079167 2139606947 6418820841