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142330204138 = 2371923381137
BaseRepresentation
bin1000010010001110001…
…0101000111111101010
3111121101020101111220011
42010203202220333222
54312443013013023
6145215142122134
713166034526243
oct2044342507752
9447336344804
10142330204138
11553a8764a91
122370212034a
1310563581005
146c62cbdcca
153a805ac50d
hex21238a8fea

142330204138 has 8 divisors (see below), whose sum is σ = 219265449732. Its totient is φ = 69241720896.

The previous prime is 142330204129. The next prime is 142330204157. The reversal of 142330204138 is 831402033241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 124190693649 + 18139510489 = 352407^2 + 134683^2 .

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

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, 961690495 + ... + 961690642.

Almost surely, 2142330204138 is an apocalyptic number.

142330204138 is a deficient number, since it is larger than the sum of its proper divisors (76935245594).

142330204138 is a wasteful number, since it uses less digits than its factorization.

142330204138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923381176.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 142330204138 its reverse (831402033241), we get a palindrome (973732237379).

The spelling of 142330204138 in words is "one hundred forty-two billion, three hundred thirty million, two hundred four thousand, one hundred thirty-eight".

Divisors: 1 2 37 74 1923381137 3846762274 71165102069 142330204138