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1030302220212 = 223273571757907
BaseRepresentation
bin11101111111000101100…
…11000011111110110100
310122111101112101201001100
432333202303003332310
5113340024332021322
62105151520130100
7134302564242246
oct16774263037664
93574345351040
101030302220212
11367a4881a4a1
1214781a166930
1376207158165
1437c1ca82096
151bc01b8bdac
hexefe2cc3fb4

1030302220212 has 144 divisors (see below), whose sum is σ = 2651088311872. Its totient is φ = 337317281280.

The previous prime is 1030302220193. The next prime is 1030302220229. The reversal of 1030302220212 is 2120222030301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1135944663 + ... + 1135945569.

Almost surely, 21030302220212 is an apocalyptic number.

1030302220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030302220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325544155936).

1030302220212 is an abundant number, since it is smaller than the sum of its proper divisors (1620786091660).

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

1030302220212 is a wasteful number, since it uses less digits than its factorization.

1030302220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1030302220212 its reverse (2120222030301), we get a palindrome (3150524250513).

The spelling of 1030302220212 in words is "one trillion, thirty billion, three hundred two million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 571 657 757 876 907 1142 1314 1514 1713 1814 2271 2284 2628 2721 3028 3426 3628 4542 5139 5442 6813 6852 8163 9084 10278 10884 13626 16326 20556 27252 32652 41683 55261 66211 83366 110522 125049 132422 165783 166732 198633 221044 250098 264844 331566 375147 397266 432247 497349 500196 517897 595899 663132 686599 750294 794532 864494 994698 1035794 1191798 1296741 1373198 1500588 1553691 1728988 1989396 2059797 2071588 2383596 2593482 2746396 3107382 3890223 4119594 4661073 5186964 6179391 6214764 7780446 8239188 9322146 12358782 15560892 18644292 24717564 31554031 37806481 50121727 63108062 75612962 94662093 100243454 113419443 126216124 150365181 151225924 189324186 200486908 226838886 283986279 300730362 340258329 378648372 392048029 451095543 453677772 567972558 601460724 680516658 784096058 902191086 1135945116 1176144087 1361033316 1568192116 1804382172 2352288174 3528432261 4704576348 7056864522 14113729044 28619506117 57239012234 85858518351 114478024468 171717036702 257575555053 343434073404 515151110106 1030302220212