Search a number
-
+
20782305374084 = 22291062791685731
BaseRepresentation
bin1001011100110110000011…
…11011011110111110000100
32201120202202121001010002222
410232123001323132332010
510210444130133432314
6112111132001151512
74243320621003152
oct456330173367604
981522677033088
1020782305374084
1166927a9654451
1223b790002b598
13b799bc38ca57
1451bc245683d2
152608de9e0c8e
hex12e6c1edef84

20782305374084 has 24 divisors (see below), whose sum is σ = 37623515361600. Its totient is φ = 10032736724640.

The previous prime is 20782305374023. The next prime is 20782305374087. The reversal of 20782305374084 is 48047350328702.

It is not an unprimeable number, because it can be changed into a prime (20782305374087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11485499 + ... + 13171229.

It is an arithmetic number, because the mean of its divisors is an integer number (1567646473400).

Almost surely, 220782305374084 is an apocalyptic number.

It is an amenable number.

20782305374084 is a deficient number, since it is larger than the sum of its proper divisors (16841209987516).

20782305374084 is a wasteful number, since it uses less digits than its factorization.

20782305374084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792043 (or 1792041 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 20782305374084 in words is "twenty trillion, seven hundred eighty-two billion, three hundred five million, three hundred seventy-four thousand, eighty-four".

Divisors: 1 2 4 29 58 116 106279 212558 425116 1685731 3082091 3371462 6164182 6742924 12328364 48886199 97772398 195544796 179157804949 358315609898 716631219796 5195576343521 10391152687042 20782305374084