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131230212000 = 2535310935851
BaseRepresentation
bin111101000110111101…
…1100001111110100000
3110112201122210111020020
41322031323201332200
54122224413241000
6140141502513440
712324002253156
oct1721573417640
9415648714206
10131230212000
1150722040668
1221524895880
13c4b4a16624
1464cca213d6
153630d6aba0
hex1e8dee1fa0

131230212000 has 96 divisors (see below), whose sum is σ = 429910213824. Its totient is φ = 34994720000.

The previous prime is 131230211971. The next prime is 131230212013. The reversal of 131230212000 is 212032131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5455926 + ... + 5479925.

It is an arithmetic number, because the mean of its divisors is an integer number (4478231394).

Almost surely, 2131230212000 is an apocalyptic number.

131230212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131230212000 is an abundant number, since it is smaller than the sum of its proper divisors (298680001824).

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

131230212000 is a wasteful number, since it uses less digits than its factorization.

131230212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935879 (or 10935861 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 131230212000 its reverse (212032131), we get a palindrome (131442244131).

The spelling of 131230212000 in words is "one hundred thirty-one billion, two hundred thirty million, two hundred twelve thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1200 1500 2000 2400 3000 4000 6000 12000 10935851 21871702 32807553 43743404 54679255 65615106 87486808 109358510 131230212 164037765 174973616 218717020 262460424 273396275 328075530 349947232 437434040 524920848 546792550 656151060 820188825 874868080 1049841696 1093585100 1312302120 1366981375 1640377650 1749736160 2187170200 2624604240 2733962750 3280755300 4100944125 4374340400 5249208480 5467925500 6561510600 8201888250 8748680800 10935851000 13123021200 16403776500 21871702000 26246042400 32807553000 43743404000 65615106000 131230212000