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131400042210 = 2335486666823
BaseRepresentation
bin111101001100000001…
…1011000011011100010
3110120011111100202111000
41322120003120123202
54123101402322320
6140210410532430
712331133634033
oct1723003303342
9416144322430
10131400042210
11507a9997608
1221571737116
13c510c69588
1465073cca8a
153640c15c90
hex1e980d86e2

131400042210 has 32 divisors (see below), whose sum is σ = 350400113280. Its totient is φ = 35040011184.

The previous prime is 131400042133. The next prime is 131400042211. The reversal of 131400042210 is 12240004131.

131400042210 is a `hidden beast` number, since 13 + 1 + 400 + 0 + 42 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131400042211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243333142 + ... + 243333681.

It is an arithmetic number, because the mean of its divisors is an integer number (10950003540).

Almost surely, 2131400042210 is an apocalyptic number.

131400042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131400042210 is an abundant number, since it is smaller than the sum of its proper divisors (219000071070).

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

131400042210 is a wasteful number, since it uses less digits than its factorization.

131400042210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486666839 (or 486666833 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 131400042210 its reverse (12240004131), we get a palindrome (143640046341).

The spelling of 131400042210 in words is "one hundred thirty-one billion, four hundred million, forty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 486666823 973333646 1460000469 2433334115 2920000938 4380001407 4866668230 7300002345 8760002814 13140004221 14600004690 21900007035 26280008442 43800014070 65700021105 131400042210