Search a number
-
+
20213230241232 = 2432720052807779
BaseRepresentation
bin1001001100010010000100…
…11010001000010111010000
32122120100212202210002012200
410212021002122020113100
510122133143420204412
6110553455122123200
74154233455122520
oct446110232102720
978510782702180
1020213230241232
1164934235712a6
122325561ab0500
13b3813a5b9902
144dc47b4bd680
15250bd4a8b9dc
hex1262426885d0

20213230241232 has 60 divisors (see below), whose sum is σ = 64650252282720. Its totient is φ = 5775208640064.

The previous prime is 20213230241219. The next prime is 20213230241233. The reversal of 20213230241232 is 23214203231202.

20213230241232 is a `hidden beast` number, since 2 + 0 + 2 + 13 + 230 + 2 + 412 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20213230241196 and 20213230241205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213230241233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10026402882 + ... + 10026404897.

It is an arithmetic number, because the mean of its divisors is an integer number (1077504204712).

Almost surely, 220213230241232 is an apocalyptic number.

It is an amenable number.

20213230241232 is an abundant number, since it is smaller than the sum of its proper divisors (44437022041488).

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

20213230241232 is a wasteful number, since it uses less digits than its factorization.

20213230241232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20052807800 (or 20052807791 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20213230241232 its reverse (23214203231202), we get a palindrome (43427433472434).

The spelling of 20213230241232 in words is "twenty trillion, two hundred thirteen billion, two hundred thirty million, two hundred forty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 20052807779 40105615558 60158423337 80211231116 120316846674 140369654453 160422462232 180475270011 240633693348 280739308906 320844924464 360950540022 421108963359 481267386696 561478617812 721901080044 842217926718 962534773392 1122957235624 1263326890077 1443802160088 1684435853436 2245914471248 2526653780154 2887604320176 3368871706872 5053307560308 6737743413744 10106615120616 20213230241232