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131120231204000 = 255398873331537
BaseRepresentation
bin11101110100000011001110…
…110011011100010010100000
3122012020222020100122201000102
4131310003032303130102200
5114141233213142012000
61142511445212241532
736422060363632163
oct3564031663342240
9565228210581012
10131120231204000
1138862861243225
1212857b901702a8
13582177a8c938c
142454378533ada
151025b112353d5
hex7740cecdc4a0

131120231204000 has 96 divisors (see below), whose sum is σ = 322166638147536. Its totient is φ = 52447403827200.

The previous prime is 131120231203991. The next prime is 131120231204029. The reversal of 131120231204000 is 402132021131.

It can be written as a sum of positive squares in 8 ways, for example, as 4728763383184 + 126391467820816 = 2174572^2 + 11242396^2 .

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

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, 395326232 + ... + 395657768.

Almost surely, 2131120231204000 is an apocalyptic number.

131120231204000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120231204000 is an abundant number, since it is smaller than the sum of its proper divisors (191046406943536).

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

131120231204000 is an equidigital number, since it uses as much as digits as its factorization.

131120231204000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430435 (or 430417 counting only the distinct ones).

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

Adding to 131120231204000 its reverse (402132021131), we get a palindrome (131522363225131).

The spelling of 131120231204000 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred thirty-one million, two hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 98873 197746 331537 395492 494365 663074 790984 988730 1326148 1581968 1657685 1977460 2471825 2652296 3163936 3315370 3954920 4943650 5304592 6630740 7909840 8288425 9887300 10609184 12359125 13261480 15819680 16576850 19774600 24718250 26522960 33153700 39549200 41442125 49436500 53045920 66307400 79098400 82884250 98873000 132614800 165768500 197746000 265229600 331537000 395492000 663074000 1326148000 32780057801 65560115602 131120231204 163900289005 262240462408 327800578010 524480924816 655601156020 819501445025 1048961849632 1311202312040 1639002890050 2622404624080 3278005780100 4097507225125 5244809248160 6556011560200 8195014450250 13112023120400 16390028900500 26224046240800 32780057801000 65560115602000 131120231204000