Search a number
-
+
30750082755 = 357853343327
BaseRepresentation
bin11100101000110110…
…010000011011000011
32221101000201001110220
4130220312100123003
51000434010122010
622043144554123
72136005251020
oct345066203303
987330631426
1030750082755
111204a690337
125b62182943
132b908bb452
1416b9cdc547
15bee8e0970
hex728d906c3

30750082755 has 32 divisors (see below), whose sum is σ = 56294805504. Its totient is φ = 14040660096.

The previous prime is 30750082751. The next prime is 30750082789. The reversal of 30750082755 is 55728005703.

It is not a de Polignac number, because 30750082755 - 22 = 30750082751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30750082751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82099 + ... + 261228.

It is an arithmetic number, because the mean of its divisors is an integer number (1759212672).

Almost surely, 230750082755 is an apocalyptic number.

30750082755 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30750082755 is a deficient number, since it is larger than the sum of its proper divisors (25544722749).

30750082755 is a wasteful number, since it uses less digits than its factorization.

30750082755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344195.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 30750082755 in words is "thirty billion, seven hundred fifty million, eighty-two thousand, seven hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 105 853 2559 4265 5971 12795 17913 29855 89565 343327 1029981 1716635 2403289 5149905 7209867 12016445 36049335 292857931 878573793 1464289655 2050005517 4392868965 6150016551 10250027585 30750082755