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142143343051 = 2712772836691
BaseRepresentation
bin1000010001100001100…
…1110100100111001011
3111120220012202222200011
42010120121310213023
54312102143434201
6145144425052351
713161305323603
oct2043031644713
9446805688604
10142143343051
1155312236536
122366b6270b7
1310533947218
146c4615bc03
153a6de9b151
hex21186749cb

142143343051 has 16 divisors (see below), whose sum is σ = 143710325248. Its totient is φ = 140587941600.

The previous prime is 142143342983. The next prime is 142143343099. The reversal of 142143343051 is 150343341241.

It is a cyclic number.

It is not a de Polignac number, because 142143343051 - 217 = 142143211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142143343651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21240616 + ... + 21247306.

It is an arithmetic number, because the mean of its divisors is an integer number (8981895328).

Almost surely, 2142143343051 is an apocalyptic number.

142143343051 is a deficient number, since it is larger than the sum of its proper divisors (1566982197).

142143343051 is a wasteful number, since it uses less digits than its factorization.

142143343051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 142143343051 its reverse (150343341241), we get a palindrome (292486684292).

The spelling of 142143343051 in words is "one hundred forty-two billion, one hundred forty-three million, three hundred forty-three thousand, fifty-one".

Divisors: 1 271 277 283 6691 75067 76693 78391 1813261 1853407 1893553 21243961 502273297 513152863 524514181 142143343051