Search a number
-
+
20330011210012 = 2276191451980789
BaseRepresentation
bin1001001111101011100110…
…00110001011000100011100
32122222112022102202222000121
410213311303012023010130
510131041330332210022
6111123251143404324
74165536426022330
oct447656306130434
978875272688017
1020330011210012
116528a00364639
1223441137536a4
13b4615b900c7a
14503d990c57c0
15253c6c1352c7
hex127d7318b11c

20330011210012 has 48 divisors (see below), whose sum is σ = 40729018176000. Its totient is φ = 8698079444544.

The previous prime is 20330011209931. The next prime is 20330011210081. The reversal of 20330011210012 is 21001211003302.

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, 251602914 + ... + 251683702.

It is an arithmetic number, because the mean of its divisors is an integer number (848521212000).

Almost surely, 220330011210012 is an apocalyptic number.

It is an amenable number.

20330011210012 is an abundant number, since it is smaller than the sum of its proper divisors (20399006965988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20330011210012 is a wasteful number, since it uses less digits than its factorization.

20330011210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95938 (or 95936 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20330011210012 its reverse (21001211003302), we get a palindrome (41331222213314).

The spelling of 20330011210012 in words is "twenty trillion, three hundred thirty billion, eleven million, two hundred ten thousand, twelve".

Divisors: 1 2 4 7 14 28 619 1238 2476 4333 8666 14519 17332 29038 58076 80789 101633 161578 203266 323156 406532 565523 1131046 2262092 8987261 17974522 35949044 50008391 62910827 100016782 125821654 200033564 251643308 350058737 700117474 1172975491 1400234948 2345950982 4691901964 8210828437 16421656874 32843313748 726071828929 1452143657858 2904287315716 5082502802503 10165005605006 20330011210012