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142115699 = 11174991523
BaseRepresentation
bin10000111100010…
…00001101110011
3100220102020002102
420132020031303
5242340200244
622034011015
73343651325
oct1036101563
9326366072
10142115699
11732476a0
123b716a6b
132359b33b
1414c35615
15c72354e
hex8788373

142115699 has 16 divisors (see below), whose sum is σ = 164592000. Its totient is φ = 121272960.

The previous prime is 142115683. The next prime is 142115711. The reversal of 142115699 is 996511241.

It is a cyclic number.

It is not a de Polignac number, because 142115699 - 24 = 142115683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142115609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92552 + ... + 94074.

It is an arithmetic number, because the mean of its divisors is an integer number (10287000).

Almost surely, 2142115699 is an apocalyptic number.

142115699 is a deficient number, since it is larger than the sum of its proper divisors (22476301).

142115699 is a wasteful number, since it uses less digits than its factorization.

142115699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050.

The product of its digits is 19440, while the sum is 38.

The square root of 142115699 is about 11921.2289215500. The cubic root of 142115699 is about 521.8519995074.

The spelling of 142115699 in words is "one hundred forty-two million, one hundred fifteen thousand, six hundred ninety-nine".

Divisors: 1 11 17 187 499 1523 5489 8483 16753 25891 93313 284801 759977 8359747 12919609 142115699