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142112555 = 51310121647
BaseRepresentation
bin10000111100001…
…11011100101011
3100220102001202222
420132013130223
5242340100210
622033544255
73343636214
oct1036073453
9326361688
10142112555
11732452a2
123b71508b
1323599a90
1414c3440b
15c722655
hex878772b

142112555 has 16 divisors (see below), whose sum is σ = 185480064. Its totient is φ = 103900800.

The previous prime is 142112543. The next prime is 142112567. The reversal of 142112555 is 555211241.

It is an interprime number because it is at equal distance from previous prime (142112543) and next prime (142112567).

It is not a de Polignac number, because 142112555 - 24 = 142112539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4259 + ... + 17388.

It is an arithmetic number, because the mean of its divisors is an integer number (11592504).

Almost surely, 2142112555 is an apocalyptic number.

142112555 is a deficient number, since it is larger than the sum of its proper divisors (43367509).

142112555 is a wasteful number, since it uses less digits than its factorization.

142112555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21766.

The product of its digits is 2000, while the sum is 26.

The square root of 142112555 is about 11921.0970552211. The cubic root of 142112555 is about 521.8481511998.

Adding to 142112555 its reverse (555211241), we get a palindrome (697323796).

The spelling of 142112555 in words is "one hundred forty-two million, one hundred twelve thousand, five hundred fifty-five".

Divisors: 1 5 13 65 101 505 1313 6565 21647 108235 281411 1407055 2186347 10931735 28422511 142112555