Search a number
-
+
8205424144135 = 51671779816451
BaseRepresentation
bin111011101100111100101…
…1001000010111100000111
31002001102122010011011021221
41313121321121002330013
52033414202040103020
625241304140221211
71504552026301441
oct167317131027407
932042563134257
108205424144135
1126839a0018189
12b06323b3a807
134769ca8b7c7a
14205204cad491
15e36966c36aa
hex77679642f07

8205424144135 has 8 divisors (see below), whose sum is σ = 9846568874736. Its totient is φ = 6564299380800.

The previous prime is 8205424144129. The next prime is 8205424144139. The reversal of 8205424144135 is 5314414245028.

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

It is a de Polignac number, because none of the positive numbers 2k-8205424144135 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8205424144091 and 8205424144100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205424144139) 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, 4072341 + ... + 5744110.

It is an arithmetic number, because the mean of its divisors is an integer number (1230821109342).

Almost surely, 28205424144135 is an apocalyptic number.

8205424144135 is a deficient number, since it is larger than the sum of its proper divisors (1641144730601).

8205424144135 is a wasteful number, since it uses less digits than its factorization.

8205424144135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9983633.

The product of its (nonzero) digits is 614400, while the sum is 43.

The spelling of 8205424144135 in words is "eight trillion, two hundred five billion, four hundred twenty-four million, one hundred forty-four thousand, one hundred thirty-five".

Divisors: 1 5 167177 835885 9816451 49082255 1641084828827 8205424144135