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131211222023000 = 2353718744460289
BaseRepresentation
bin11101110101010111111110…
…010001110111101101011000
3122012120200002122221020021202
4131311113332101313231120
5114144231040314214000
61143021334145253332
736431461254060650
oct3565277621675530
9565520078836252
10131211222023000
1138898404187299
1212871744934248
13582a21ba92992
14245892ac6d360
15102818957cdd5
hex7755fe477b58

131211222023000 has 64 divisors (see below), whose sum is σ = 350896296628800. Its totient is φ = 44986704691200.

The previous prime is 131211222022999. The next prime is 131211222023047. The reversal of 131211222023000 is 320222112131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9372223145 + ... + 9372237144.

It is an arithmetic number, because the mean of its divisors is an integer number (5482754634825).

Almost surely, 2131211222023000 is an apocalyptic number.

131211222023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131211222023000 is an abundant number, since it is smaller than the sum of its proper divisors (219685074605800).

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

131211222023000 is a wasteful number, since it uses less digits than its factorization.

131211222023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18744460317 (or 18744460303 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131211222023000 its reverse (320222112131), we get a palindrome (131531444135131).

The spelling of 131211222023000 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twenty-two million, twenty-three thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 18744460289 37488920578 74977841156 93722301445 131211222023 149955682312 187444602890 262422444046 374889205780 468611507225 524844888092 656056110115 749778411560 937223014450 1049689776184 1312112220230 1874446028900 2343057536125 2624224440460 3280280550575 3748892057800 4686115072250 5248448880920 6560561101150 9372230144500 13121122202300 16401402752875 18744460289000 26242244404600 32802805505750 65605611011500 131211222023000