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121210023304 = 23293731400689
BaseRepresentation
bin111000011100010101…
…1100010110110001000
3102120212100001011102101
41300320223202312020
53441214231221204
6131403315243144
711520461125066
oct1607053426610
9376770034371
10121210023304
114744a997587
121b5a8ba94b4
13b578aaaba6
145c1bd25036
153246320ea4
hex1c38ae2d88

121210023304 has 32 divisors (see below), whose sum is σ = 235736127000. Its totient is φ = 58358264832.

The previous prime is 121210023301. The next prime is 121210023313. The reversal of 121210023304 is 403320012121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 90198108900 + 31011914404 = 300330^2 + 176102^2 .

It is not an unprimeable number, because it can be changed into a prime (121210023301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613809 + ... + 786880.

Almost surely, 2121210023304 is an apocalyptic number.

It is an amenable number.

121210023304 is a deficient number, since it is larger than the sum of its proper divisors (114526103696).

121210023304 is a wasteful number, since it uses less digits than its factorization.

121210023304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401097 (or 1401093 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121210023304 its reverse (403320012121), we get a palindrome (524530035425).

The spelling of 121210023304 in words is "one hundred twenty-one billion, two hundred ten million, twenty-three thousand, three hundred four".

Divisors: 1 2 4 8 29 58 116 232 373 746 1492 2984 10817 21634 43268 86536 1400689 2801378 5602756 11205512 40619981 81239962 162479924 324959848 522456997 1044913994 2089827988 4179655976 15151252913 30302505826 60605011652 121210023304