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121000020230000 = 245419362694311
BaseRepresentation
bin11011100000110010000011…
…001110010011111101110000
3120212102111012110021020202202
4123200302003032103331300
5111324431020134330000
61105202350353002332
734325651204660612
oct3340620316237560
9525374173236682
10121000020230000
1135610902a5720a
12116a2745b533a8
135269339959512
1421c460a060db2
15dec74ca65dd5
hex6e0c83393f70

121000020230000 has 100 divisors (see below), whose sum is σ = 294471045639408. Its totient is φ = 48149230080000.

The previous prime is 121000020229909. The next prime is 121000020230017. The reversal of 121000020230000 is 32020000121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29417156 + ... + 33277155.

Almost surely, 2121000020230000 is an apocalyptic number.

121000020230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000020230000 is an abundant number, since it is smaller than the sum of its proper divisors (173471025409408).

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

121000020230000 is an equidigital number, since it uses as much as digits as its factorization.

121000020230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62694532 (or 62694511 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 121000020230000 its reverse (32020000121), we get a palindrome (121032040230121).

The spelling of 121000020230000 in words is "one hundred twenty-one trillion, twenty million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 193 200 250 386 400 500 625 772 965 1000 1250 1544 1930 2000 2500 3088 3860 4825 5000 7720 9650 10000 15440 19300 24125 38600 48250 77200 96500 120625 193000 241250 386000 482500 965000 1930000 62694311 125388622 250777244 313471555 501554488 626943110 1003108976 1253886220 1567357775 2507772440 3134715550 5015544880 6269431100 7836788875 12100002023 12538862200 15673577750 24200004046 25077724400 31347155500 39183944375 48400008092 60500010115 62694311000 78367888750 96800016184 121000020230 125388622000 156735777500 193600032368 242000040460 302500050575 313471555000 484000080920 605000101150 626943110000 968000161840 1210000202300 1512500252875 2420000404600 3025000505750 4840000809200 6050001011500 7562501264375 12100002023000 15125002528750 24200004046000 30250005057500 60500010115000 121000020230000