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142131112 = 2379224891
BaseRepresentation
bin10000111100010…
…11111110101000
3100220110000020021
420132023332220
5242341143422
622034210224
73344044264
oct1036137650
9326400207
10142131112
1173258232
123b723974
13235a5366
1414c3b0a4
15c727dc7
hex878bfa8

142131112 has 16 divisors (see below), whose sum is σ = 269870400. Its totient is φ = 70165680.

The previous prime is 142131083. The next prime is 142131127. The reversal of 142131112 is 211131241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111814 + ... + 113077.

It is an arithmetic number, because the mean of its divisors is an integer number (16866900).

Almost surely, 2142131112 is an apocalyptic number.

It is an amenable number.

142131112 is a deficient number, since it is larger than the sum of its proper divisors (127739288).

142131112 is a wasteful number, since it uses less digits than its factorization.

142131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224976 (or 224972 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 142131112 is about 11921.8753558322. The cubic root of 142131112 is about 521.8708644514.

Adding to 142131112 its reverse (211131241), we get a palindrome (353262353).

The spelling of 142131112 in words is "one hundred forty-two million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 79 158 316 632 224891 449782 899564 1799128 17766389 35532778 71065556 142131112