Search a number
-
+
8155353155851 = 1110717340051631
BaseRepresentation
bin111011010101101000011…
…1011011000100100001011
31001212122101120202102001101
41312223100323120210023
52032104130401441401
625202303441202231
71501130153024656
oct166532073304413
931778346672041
108155353155851
112664736279630
12ab868b330377
1347207b221955
14202a14d8089d
15e22159aa101
hex76ad0ed890b

8155353155851 has 16 divisors (see below), whose sum is σ = 9031803222528. Its totient is φ = 7302213181600.

The previous prime is 8155353155801. The next prime is 8155353155867. The reversal of 8155353155851 is 1585513535518.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8155353155851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8155353155792 and 8155353155801.

It is not an unprimeable number, because it can be changed into a prime (8155353155801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19822195 + ... + 20229436.

It is an arithmetic number, because the mean of its divisors is an integer number (564487701408).

Almost surely, 28155353155851 is an apocalyptic number.

8155353155851 is a deficient number, since it is larger than the sum of its proper divisors (876450066677).

8155353155851 is a wasteful number, since it uses less digits than its factorization.

8155353155851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40051922.

The product of its digits is 9000000, while the sum is 55.

The spelling of 8155353155851 in words is "eight trillion, one hundred fifty-five billion, three hundred fifty-three million, one hundred fifty-five thousand, eight hundred fifty-one".

Divisors: 1 11 107 173 1177 1903 18511 203621 40051631 440567941 4285524517 6928932163 47140769687 76218253793 741395741441 8155353155851