Search a number
-
+
3085305780851 = 72172933364103
BaseRepresentation
bin101100111001011010100…
…011100001101001110011
3101220221201021010221110222
4230321122203201221303
5401022201234441401
610321211522243255
7435622516300400
oct54713243415163
911827637127428
103085305780851
11a8a51a752508
12419b527b652b
13194c34c666c8
14a94885ad2a7
15553c891ac1b
hex2ce5a8e1a73

3085305780851 has 12 divisors (see below), whose sum is σ = 3589059784752. Its totient is φ = 2644525256688.

The previous prime is 3085305780803. The next prime is 3085305780857. The reversal of 3085305780851 is 1580875035803.

It is not a de Polignac number, because 3085305780851 - 210 = 3085305779827 is a prime.

It is a super-2 number, since 2×30853057808512 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3085305780793 and 3085305780802.

It is not an unprimeable number, because it can be changed into a prime (3085305780857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8291666 + ... + 8655768.

It is an arithmetic number, because the mean of its divisors is an integer number (299088315396).

Almost surely, 23085305780851 is an apocalyptic number.

3085305780851 is a deficient number, since it is larger than the sum of its proper divisors (503754003901).

3085305780851 is a wasteful number, since it uses less digits than its factorization.

3085305780851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537050 (or 537043 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 3085305780851 in words is "three trillion, eighty-five billion, three hundred five million, seven hundred eighty thousand, eight hundred fifty-one".

Divisors: 1 7 49 172933 364103 1210531 2548721 8473717 17841047 62965424099 440757968693 3085305780851