Search a number
-
+
6454781002101 = 32151593667367
BaseRepresentation
bin101110111101101111011…
…1011011100000101110101
3211212001220210020011102210
41131323132323130011311
51321223342414031401
621421141354124033
71234225330151445
oct135733673340565
924761823204383
106454781002101
112069503666503
12882b91120619
1337a8b60c0183
141845ad658125
15b2d84d1e4d6
hex5dedeedc175

6454781002101 has 4 divisors (see below), whose sum is σ = 8606374669472. Its totient is φ = 4303187334732.

The previous prime is 6454781002067. The next prime is 6454781002121. The reversal of 6454781002101 is 1012001874546.

6454781002101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6454781002101 - 217 = 6454780871029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6454781002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454781002121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075796833681 + ... + 1075796833686.

It is an arithmetic number, because the mean of its divisors is an integer number (2151593667368).

Almost surely, 26454781002101 is an apocalyptic number.

It is an amenable number.

6454781002101 is a deficient number, since it is larger than the sum of its proper divisors (2151593667371).

6454781002101 is a wasteful number, since it uses less digits than its factorization.

6454781002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151593667370.

The product of its (nonzero) digits is 53760, while the sum is 39.

Adding to 6454781002101 its reverse (1012001874546), we get a palindrome (7466782876647).

The spelling of 6454781002101 in words is "six trillion, four hundred fifty-four billion, seven hundred eighty-one million, two thousand, one hundred one".

Divisors: 1 3 2151593667367 6454781002101