Search a number
-
+
20110036785 = 351976805427
BaseRepresentation
bin10010101110101001…
…101100111100110001
31220220111120201100020
4102232221230330301
5312141132134120
613123255514053
71311226330566
oct225651547461
956814521306
1020110036785
11858a656313
123a92988929
131b86423967
14d8ab6a86d
157ca754640
hex4aea6cf31

20110036785 has 16 divisors (see below), whose sum is σ = 32339393856. Its totient is φ = 10670907968.

The previous prime is 20110036721. The next prime is 20110036811. The reversal of 20110036785 is 58763001102.

It is a cyclic number.

It is not a de Polignac number, because 20110036785 - 26 = 20110036721 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3399759 + ... + 3405668.

It is an arithmetic number, because the mean of its divisors is an integer number (2021212116).

Almost surely, 220110036785 is an apocalyptic number.

It is an amenable number.

20110036785 is a deficient number, since it is larger than the sum of its proper divisors (12229357071).

20110036785 is a wasteful number, since it uses less digits than its factorization.

20110036785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805632.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 20110036785 its reverse (58763001102), we get a palindrome (78873037887).

The spelling of 20110036785 in words is "twenty billion, one hundred ten million, thirty-six thousand, seven hundred eighty-five".

Divisors: 1 3 5 15 197 591 985 2955 6805427 20416281 34027135 102081405 1340669119 4022007357 6703345595 20110036785