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203212314340020 = 223254941122848299
BaseRepresentation
bin101110001101001000001101…
…110011110110101010110100
3222122111220111120210022022100
4232031020031303312222310
5203113412304432340040
62000110240510102100
760542414405555556
oct5615101563665264
9878456446708270
10203212314340020
1159827949790137
121a95baa8aaa930
138950aba42167b
1438277582834d6
151876042dbab30
hexb8d20dcf6ab4

203212314340020 has 72 divisors (see below), whose sum is σ = 616423188981600. Its totient is φ = 54188851400640.

The previous prime is 203212314340003. The next prime is 203212314340027. The reversal of 203212314340020 is 20043413212302.

203212314340020 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 1 + 2 + 314 + 340 + 0 + 2 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212314340027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2530170 + ... + 20318129.

It is an arithmetic number, because the mean of its divisors is an integer number (8561433180300).

Almost surely, 2203212314340020 is an apocalyptic number.

203212314340020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203212314340020 is an abundant number, since it is smaller than the sum of its proper divisors (413210874641580).

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

203212314340020 is a wasteful number, since it uses less digits than its factorization.

203212314340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22897725 (or 22897720 counting only the distinct ones).

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

Adding to 203212314340020 its reverse (20043413212302), we get a palindrome (223255727552322).

The spelling of 203212314340020 in words is "two hundred three trillion, two hundred twelve billion, three hundred fourteen million, three hundred forty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 49411 98822 148233 197644 247055 296466 444699 494110 592932 741165 889398 988220 1482330 1778796 2223495 2964660 4446990 8893980 22848299 45696598 68544897 91393196 114241495 137089794 205634691 228482990 274179588 342724485 411269382 456965980 685448970 822538764 1028173455 1370897940 2056346910 4112693820 1128957301889 2257914603778 3386871905667 4515829207556 5644786509445 6773743811334 10160615717001 11289573018890 13547487622668 16934359528335 20321231434002 22579146037780 33868719056670 40642462868004 50803078585005 67737438113340 101606157170010 203212314340020