Search a number
-
+
2855568844969 = 41863109173973
BaseRepresentation
bin101001100011011101001…
…010101010100010101001
3101002222201111120101201221
4221203131022222202221
5333241201111014334
610023455154342041
7413210441460331
oct51433512524251
911088644511657
102855568844969
11a01049194245
123a151828a921
13179381c1a2a9
149c2d2da00c1
154e42e9d28b4
hex298dd2aa8a9

2855568844969 has 16 divisors (see below), whose sum is σ = 2931330415104. Its totient is φ = 2780104470400.

The previous prime is 2855568844967. The next prime is 2855568844981. The reversal of 2855568844969 is 9694488655582.

It is a cyclic number.

It is not a de Polignac number, because 2855568844969 - 21 = 2855568844967 is a prime.

It is a super-2 number, since 2×28555688449692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2855568844967) 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, 38565867 + ... + 38639839.

It is an arithmetic number, because the mean of its divisors is an integer number (183208150944).

Almost surely, 22855568844969 is an apocalyptic number.

It is an amenable number.

2855568844969 is a deficient number, since it is larger than the sum of its proper divisors (75761570135).

2855568844969 is a wasteful number, since it uses less digits than its factorization.

2855568844969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75968.

The product of its digits is 5971968000, while the sum is 79.

The spelling of 2855568844969 in words is "two trillion, eight hundred fifty-five billion, five hundred sixty-eight million, eight hundred forty-four thousand, nine hundred sixty-nine".

Divisors: 1 41 863 1091 35383 44731 73973 941533 3032893 38602853 63838699 80704543 2617386659 3308886263 69648020609 2855568844969