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121023121320310 = 25111100210193821
BaseRepresentation
bin11011100001000111100100…
…001001111110100101110110
3120212111200211102001020012011
4123201013210021332211312
5111330320323024222220
61105221130541314434
734330426524003256
oct3341074411764566
9525450742036164
10121023121320310
113561a687a12290
12116a7112565a1a
13526b57b951521
1421c579c145966
15ded150b9365a
hex6e11e427e976

121023121320310 has 16 divisors (see below), whose sum is σ = 237645401865552. Its totient is φ = 44008407752800.

The previous prime is 121023121320301. The next prime is 121023121320337. The reversal of 121023121320310 is 13023121320121.

It is a super-3 number, since 3×1210231213203103 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550105096801 + ... + 550105097020.

It is an arithmetic number, because the mean of its divisors is an integer number (14852837616597).

Almost surely, 2121023121320310 is an apocalyptic number.

121023121320310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023121320310 is a deficient number, since it is larger than the sum of its proper divisors (116622280545242).

121023121320310 is a wasteful number, since it uses less digits than its factorization.

121023121320310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100210193839.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121023121320310 its reverse (13023121320121), we get a palindrome (134046242640431).

The spelling of 121023121320310 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred twenty-one million, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 1100210193821 2200420387642 5501050969105 11002101938210 12102312132031 24204624264062 60511560660155 121023121320310