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142423120330 = 2534962876491
BaseRepresentation
bin1000010010100100010…
…1000101100111001010
3111121121201020010221121
42010221011011213022
54313140304322310
6145232301425454
713201243356031
oct2045105054712
9447551203847
10142423120330
1155446158327
122372926b28a
13105798b43ca
146c71389718
153a888130da
hex21291459ca

142423120330 has 32 divisors (see below), whose sum is σ = 257176684800. Its totient is φ = 56788226880.

The previous prime is 142423120313. The next prime is 142423120337. The reversal of 142423120330 is 33021324241.

It is a junction number, because it is equal to n+sod(n) for n = 142423120295 and 142423120304.

It is not an unprimeable number, because it can be changed into a prime (142423120337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21938385 + ... + 21944875.

It is an arithmetic number, because the mean of its divisors is an integer number (8036771400).

Almost surely, 2142423120330 is an apocalyptic number.

142423120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142423120330 is a deficient number, since it is larger than the sum of its proper divisors (114753564470).

142423120330 is a wasteful number, since it uses less digits than its factorization.

142423120330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 142423120330 its reverse (33021324241), we get a palindrome (175444444571).

The spelling of 142423120330 in words is "one hundred forty-two billion, four hundred twenty-three million, one hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 349 698 1745 3490 6287 6491 12574 12982 31435 32455 62870 64910 2194163 2265359 4388326 4530718 10970815 11326795 21941630 22653590 40808917 81617834 204044585 408089170 14242312033 28484624066 71211560165 142423120330