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120421310330 = 25174167257867
BaseRepresentation
bin111000000100110101…
…0110101111101111010
3102111211100221101121202
41300021222311331322
53433110323412310
6131153142334202
711462103151256
oct1601152657572
9374740841552
10120421310330
1147085765882
121b408a2a362
13b48157a619
145b85297266
1531ebe783a5
hex1c09ab5f7a

120421310330 has 64 divisors (see below), whose sum is σ = 238616606592. Its totient is φ = 43569039360.

The previous prime is 120421310311. The next prime is 120421310353. The reversal of 120421310330 is 33013124021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338057 + ... + 595923.

It is an arithmetic number, because the mean of its divisors is an integer number (3728384478).

Almost surely, 2120421310330 is an apocalyptic number.

120421310330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120421310330 is a deficient number, since it is larger than the sum of its proper divisors (118195296262).

120421310330 is a wasteful number, since it uses less digits than its factorization.

120421310330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257999.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120421310330 its reverse (33013124021), we get a palindrome (153434434351).

The spelling of 120421310330 in words is "one hundred twenty billion, four hundred twenty-one million, three hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 41 67 82 85 134 170 205 335 410 670 697 1139 1394 2278 2747 3485 5494 5695 6970 11390 13735 27470 46699 93398 233495 257867 466990 515734 1289335 2578670 4383739 8767478 10572547 17277089 21145094 21918695 34554178 43837390 52862735 86385445 105725470 172770890 179733299 293710513 359466598 587421026 708360649 898666495 1416721298 1468552565 1797332990 2937105130 3541803245 7083606490 12042131033 24084262066 60210655165 120421310330