Search a number
-
+
20885024611 = 112816756721
BaseRepresentation
bin10011011100110110…
…000010111101100011
31222220111212011210001
4103130312002331203
5320233031241421
613332222320431
71336356531403
oct233466027543
958814764701
1020885024611
118948063120
12406a429117
131c7ab59c39
141021a64803
158237da691
hex4dcd82f63

20885024611 has 8 divisors (see below), whose sum is σ = 22864747248. Its totient is φ = 18918816000.

The previous prime is 20885024609. The next prime is 20885024623. The reversal of 20885024611 is 11642058802.

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

It is a cyclic number.

It is not a de Polignac number, because 20885024611 - 21 = 20885024609 is a prime.

It is a super-3 number, since 3×208850246113 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20885024311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375270 + ... + 3381451.

It is an arithmetic number, because the mean of its divisors is an integer number (2858093406).

Almost surely, 220885024611 is an apocalyptic number.

20885024611 is a deficient number, since it is larger than the sum of its proper divisors (1979722637).

20885024611 is a wasteful number, since it uses less digits than its factorization.

20885024611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6757013.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 20885024611 in words is "twenty billion, eight hundred eighty-five million, twenty-four thousand, six hundred eleven".

Divisors: 1 11 281 3091 6756721 74323931 1898638601 20885024611