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423240130120 = 23589118887677
BaseRepresentation
bin1100010100010110001…
…00111101111001001000
31111110110022222022011211
412022023010331321020
523413243433130440
6522233412502504
742402166514263
oct6121304757110
91443408868154
10423240130120
1115354a024105
126a03a31aa34
1330bb0395622
14166b091bcda
15b021d3ceea
hex628b13de48

423240130120 has 32 divisors (see below), whose sum is σ = 962990191800. Its totient is φ = 167393847808.

The previous prime is 423240130111. The next prime is 423240130127. The reversal of 423240130120 is 21031042324.

It can be written as a sum of positive squares in 4 ways, for example, as 267564114756 + 155676015364 = 517266^2 + 394558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423240130091 and 423240130100.

It is not an unprimeable number, because it can be changed into a prime (423240130127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59440279 + ... + 59447398.

Almost surely, 2423240130120 is an apocalyptic number.

423240130120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423240130120 is an abundant number, since it is smaller than the sum of its proper divisors (539750061680).

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

423240130120 is a wasteful number, since it uses less digits than its factorization.

423240130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118887777 (or 118887773 counting only the distinct ones).

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

Adding to 423240130120 its reverse (21031042324), we get a palindrome (444271172444).

The spelling of 423240130120 in words is "four hundred twenty-three billion, two hundred forty million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 89 178 356 445 712 890 1780 3560 118887677 237775354 475550708 594438385 951101416 1188876770 2377753540 4755507080 10581003253 21162006506 42324013012 52905016265 84648026024 105810032530 211620065060 423240130120