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312142042030 = 257131723138287
BaseRepresentation
bin1001000101011010001…
…11011001001110101110
31002211200201022200010111
410202231013121032232
520103231330321110
6355221315130234
731360112402650
oct4425507311656
91084621280114
10312142042030
11110419055185
12505b38a397a
1323586537070
14111719766d0
1581bd63ae8a
hex48ad1d93ae

312142042030 has 192 divisors, whose sum is σ = 758300884992. Its totient is φ = 89975162880.

The previous prime is 312142041973. The next prime is 312142042057. The reversal of 312142042030 is 30240241213.

It is a junction number, because it is equal to n+sod(n) for n = 312142041992 and 312142042010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8133547 + ... + 8171833.

It is an arithmetic number, because the mean of its divisors is an integer number (3949483776).

Almost surely, 2312142042030 is an apocalyptic number.

312142042030 is an abundant number, since it is smaller than the sum of its proper divisors (446158842962).

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

312142042030 is a wasteful number, since it uses less digits than its factorization.

312142042030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38379 (or 38362 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312142042030 its reverse (30240241213), we get a palindrome (342382283243).

The spelling of 312142042030 in words is "three hundred twelve billion, one hundred forty-two million, forty-two thousand, thirty".