Search a number
-
+
20321144112302 = 2118317203646909
BaseRepresentation
bin1001001111011011000101…
…00100111000010010101110
32122221200102110202201200022
410213231202210320102232
510130420200343043202
6111115223231002142
74165103615650445
oct447554244702256
978850373681608
1020321144112302
116525170097910
12234245a069352
13b453778444a7
145037975c7d5c
152538ed95bea2
hex127b629384ae

20321144112302 has 32 divisors (see below), whose sum is σ = 33655425471360. Its totient is φ = 9125051361120.

The previous prime is 20321144112299. The next prime is 20321144112317.

It is a happy number.

20321144112302 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31089224 + ... + 31736132.

It is an arithmetic number, because the mean of its divisors is an integer number (1051732045980).

Almost surely, 220321144112302 is an apocalyptic number.

20321144112302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20321144112302 is a deficient number, since it is larger than the sum of its proper divisors (13334281359058).

20321144112302 is a wasteful number, since it uses less digits than its factorization.

20321144112302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664208.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 2032114 and 4112302, that added together give a palindrome (6144416).

The spelling of 20321144112302 in words is "twenty trillion, three hundred twenty-one billion, one hundred forty-four million, one hundred twelve thousand, three hundred two".

Divisors: 1 2 11 22 83 166 913 1826 17203 34406 189233 378466 646909 1293818 1427849 2855698 7115999 14231998 15706339 31412678 53693447 107386894 590627917 1181255834 11128775527 22257551054 122416530797 244833061594 923688368741 1847376737482 10160572056151 20321144112302