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131123130200 = 2352655615651
BaseRepresentation
bin111101000011110001…
…1000010111101011000
3110112110012022011121122
41322013203002331120
54122020010131300
6140123115424412
712321232134266
oct1720743027530
9415405264548
10131123130200
1150677652507
12214b4a55108
13c49879360a
1464bc709436
153626767c85
hex1e878c2f58

131123130200 has 24 divisors (see below), whose sum is σ = 304861278180. Its totient is φ = 52449252000.

The previous prime is 131123130169. The next prime is 131123130217. The reversal of 131123130200 is 2031321131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327807626 + ... + 327808025.

Almost surely, 2131123130200 is an apocalyptic number.

131123130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131123130200 is an abundant number, since it is smaller than the sum of its proper divisors (173738147980).

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

131123130200 is a wasteful number, since it uses less digits than its factorization.

131123130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655615667 (or 655615658 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131123130200 its reverse (2031321131), we get a palindrome (133154451331).

It can be divided in two parts, 1311231 and 30200, that added together give a palindrome (1341431).

The spelling of 131123130200 in words is "one hundred thirty-one billion, one hundred twenty-three million, one hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 655615651 1311231302 2622462604 3278078255 5244925208 6556156510 13112313020 16390391275 26224626040 32780782550 65561565100 131123130200