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124312131332 = 2231078032833
BaseRepresentation
bin111001111000110010…
…1001001011100000100
3102212212112012120122022
41303301211021130010
54014042401200312
6133035212222312
711660366452604
oct1636145113404
9385775176568
10124312131332
11487a1a59224
1220113a6a998
13b95169357c
146033d0ac04
153378834172
hex1cf1949704

124312131332 has 6 divisors (see below), whose sum is σ = 217546229838. Its totient is φ = 62156065664.

The previous prime is 124312131331. The next prime is 124312131347. The reversal of 124312131332 is 233131213421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122483200576 + 1828930756 = 349976^2 + 42766^2 .

It is not an unprimeable number, because it can be changed into a prime (124312131331) 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 as a sum of consecutive naturals, namely, 15539016413 + ... + 15539016420.

It is an arithmetic number, because the mean of its divisors is an integer number (36257704973).

Almost surely, 2124312131332 is an apocalyptic number.

It is an amenable number.

124312131332 is a deficient number, since it is larger than the sum of its proper divisors (93234098506).

124312131332 is a wasteful number, since it uses less digits than its factorization.

124312131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31078032837 (or 31078032835 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 124312131332 its reverse (233131213421), we get a palindrome (357443344753).

The spelling of 124312131332 in words is "one hundred twenty-four billion, three hundred twelve million, one hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 31078032833 62156065666 124312131332