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142206130 = 25111292783
BaseRepresentation
bin10000111100111…
…10010010110010
3100220120211010201
420132132102302
5242401044010
622035545414
73344506063
oct1036362262
9326524121
10142206130
11732a9630
123b75b26a
1323600551
1414c5a56a
15c74023a
hex879e4b2

142206130 has 16 divisors (see below), whose sum is σ = 279241344. Its totient is φ = 51711280.

The previous prime is 142206121. The next prime is 142206131. The reversal of 142206130 is 31602241.

142206130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142206098 and 142206107.

It is not an unprimeable number, because it can be changed into a prime (142206131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646282 + ... + 646501.

It is an arithmetic number, because the mean of its divisors is an integer number (17452584).

Almost surely, 2142206130 is an apocalyptic number.

142206130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142206130 is a deficient number, since it is larger than the sum of its proper divisors (137035214).

142206130 is a wasteful number, since it uses less digits than its factorization.

142206130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292801.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 142206130 is about 11925.0211739854. The cubic root of 142206130 is about 521.9626642508.

Adding to 142206130 its reverse (31602241), we get a palindrome (173808371).

The spelling of 142206130 in words is "one hundred forty-two million, two hundred six thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1292783 2585566 6463915 12927830 14220613 28441226 71103065 142206130