Search a number
-
+
20435023000897 = 1916748891317301
BaseRepresentation
bin1001010010101111001100…
…10010010111010101000001
32200100120100212222122212221
410221113212102113111001
510134301411342012042
6111243415302451041
74206244630354141
oct451274622272501
980316325878787
1020435023000897
11656949882037a
12236053ba33a81
13b5302583a03b
145090bb9d6921
15256866354d67
hex1295e6497541

20435023000897 has 16 divisors (see below), whose sum is σ = 21643798780800. Its totient is φ = 19239619651200.

The previous prime is 20435023000867. The next prime is 20435023000939. The reversal of 20435023000897 is 79800032053402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20435023000897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20435023000867) 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, 14854147 + ... + 16171447.

It is an arithmetic number, because the mean of its divisors is an integer number (1352737423800).

Almost surely, 220435023000897 is an apocalyptic number.

It is an amenable number.

20435023000897 is a deficient number, since it is larger than the sum of its proper divisors (1208775779903).

20435023000897 is a wasteful number, since it uses less digits than its factorization.

20435023000897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322376.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 20435023000897 in words is "twenty trillion, four hundred thirty-five billion, twenty-three million, eight hundred ninety-seven", and thus it is an aban number.

Divisors: 1 19 167 3173 4889 92891 816463 1317301 15512797 25028719 219989267 4179796073 6440284589 122365407191 1075527526363 20435023000897