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142140014 = 2371920811
BaseRepresentation
bin10000111100011…
…10001001101110
3100220110110102222
420132032021232
5242341440024
622034315342
73344112242
oct1036161156
9326413388
10142140014
1173263995
123b728b52
13235a9423
1414c40422
15c72a85e
hex878e26e

142140014 has 8 divisors (see below), whose sum is σ = 218972568. Its totient is φ = 69149160.

The previous prime is 142139981. The next prime is 142140029. The reversal of 142140014 is 410041241.

142140014 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142139974 and 142140001.

It is a congruent number.

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, 960332 + ... + 960479.

It is an arithmetic number, because the mean of its divisors is an integer number (27371571).

Almost surely, 2142140014 is an apocalyptic number.

142140014 is a deficient number, since it is larger than the sum of its proper divisors (76832554).

142140014 is a wasteful number, since it uses less digits than its factorization.

142140014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920850.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142140014 is about 11922.2486972886. The cubic root of 142140014 is about 521.8817595501.

Adding to 142140014 its reverse (410041241), we get a palindrome (552181255).

The spelling of 142140014 in words is "one hundred forty-two million, one hundred forty thousand, fourteen".

Divisors: 1 2 37 74 1920811 3841622 71070007 142140014