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2142130232143 = 11399894869817
BaseRepresentation
bin11111001011000000111…
…010010101101101001111
321120210012201221201212001
4133023000322111231033
5240044040314412033
64320025301053131
7310522661354506
oct37130072255517
97523181851761
102142130232143
11756521741960
122a71ab0b71a7
1312700456aa55
1475972d9783d
153aac5c38e7d
hex1f2c0e95b4f

2142130232143 has 8 divisors (see below), whose sum is σ = 2336928261840. Its totient is φ = 1947342022080.

The previous prime is 2142130232131. The next prime is 2142130232147. The reversal of 2142130232143 is 3412320312412.

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

It is a cyclic number.

It is not a de Polignac number, because 2142130232143 - 213 = 2142130223951 is a prime.

It is a super-2 number, since 2×21421302321432 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142130232147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995030 + ... + 2874787.

It is an arithmetic number, because the mean of its divisors is an integer number (292116032730).

Almost surely, 22142130232143 is an apocalyptic number.

2142130232143 is a deficient number, since it is larger than the sum of its proper divisors (194798029697).

2142130232143 is a wasteful number, since it uses less digits than its factorization.

2142130232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909817.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2142130232143 its reverse (3412320312412), we get a palindrome (5554450544555).

The spelling of 2142130232143 in words is "two trillion, one hundred forty-two billion, one hundred thirty million, two hundred thirty-two thousand, one hundred forty-three".

Divisors: 1 11 39989 439879 4869817 53567987 194739112013 2142130232143