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1420122142 = 2756193911
BaseRepresentation
bin101010010100101…
…0101100000011110
310122222012200100101
41110221111200132
510402022402032
6352530051314
750122560535
oct12451254036
93588180311
101420122142
1166969286a
12337719b3a
131982a567a
14d686d31c
1584a1bde7
hex54a5581e

1420122142 has 8 divisors (see below), whose sum is σ = 2130487632. Its totient is φ = 709959600.

The previous prime is 1420122139. The next prime is 1420122229. The reversal of 1420122142 is 2412210241.

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

It is a congruent number.

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, 31834 + ... + 62077.

It is an arithmetic number, because the mean of its divisors is an integer number (266310954).

Almost surely, 21420122142 is an apocalyptic number.

1420122142 is a deficient number, since it is larger than the sum of its proper divisors (710365490).

1420122142 is an equidigital number, since it uses as much as digits as its factorization.

1420122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101474.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1420122142 is about 37684.5079840510. The cubic root of 1420122142 is about 1124.0230905664.

Adding to 1420122142 its reverse (2412210241), we get a palindrome (3832332383).

The spelling of 1420122142 in words is "one billion, four hundred twenty million, one hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 7561 15122 93911 187822 710061071 1420122142