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1213300303320 = 233572206343589
BaseRepresentation
bin10001101001111110010…
…101010110010111011000
311021222201222120112011010
4101221332111112113120
5124334314334201240
62325214340133520
7153441466262400
oct21517625262730
94258658515133
101213300303320
11428615432906
1217718b9972a0
138a54bc62581
1442a1cb05800
15218626ab280
hex11a7e5565d8

1213300303320 has 96 divisors (see below), whose sum is σ = 4234170466800. Its totient is φ = 277325782272.

The previous prime is 1213300303307. The next prime is 1213300303349. The reversal of 1213300303320 is 233030033121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103165915 + ... + 103177674.

Almost surely, 21213300303320 is an apocalyptic number.

1213300303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213300303320 is an abundant number, since it is smaller than the sum of its proper divisors (3020870163480).

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

1213300303320 is a wasteful number, since it uses less digits than its factorization.

1213300303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206343617 (or 206343606 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1213300303320 its reverse (233030033121), we get a palindrome (1446330336441).

The spelling of 1213300303320 in words is "one trillion, two hundred thirteen billion, three hundred million, three hundred three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 206343589 412687178 619030767 825374356 1031717945 1238061534 1444405123 1650748712 2063435890 2476123068 2888810246 3095153835 4126871780 4333215369 4952246136 5777620492 6190307670 7222025615 8253743560 8666430738 10110835861 11555240984 12380615340 14444051230 17332861476 20221671722 21666076845 24761230680 28888102460 30332507583 34665722952 40443343444 43332153690 50554179305 57776204920 60665015166 80886686888 86664307380 101108358610 121330030332 151662537915 173328614760 202216717220 242660060664 303325075830 404433434440 606650151660 1213300303320