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2142405202 = 27153028943
BaseRepresentation
bin111111110110010…
…1000001001010010
312112022022110102211
41333230220021102
513341423431302
6552331102334
7104043100210
oct17754501122
95468273384
102142405202
119aa371813
124b95a19aa
13281b173b2
14164767cb0
15c8141ad7
hex7fb28252

2142405202 has 8 divisors (see below), whose sum is σ = 3672694656. Its totient is φ = 918173652.

The previous prime is 2142405179. The next prime is 2142405203. The reversal of 2142405202 is 2025042412.

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

It is not an unprimeable number, because it can be changed into a prime (2142405203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76514458 + ... + 76514485.

It is an arithmetic number, because the mean of its divisors is an integer number (459086832).

Almost surely, 22142405202 is an apocalyptic number.

2142405202 is a deficient number, since it is larger than the sum of its proper divisors (1530289454).

2142405202 is a wasteful number, since it uses less digits than its factorization.

2142405202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153028952.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2142405202 is about 46286.1232120384. The cubic root of 2142405202 is about 1289.1413475440.

Adding to 2142405202 its reverse (2025042412), we get a palindrome (4167447614).

The spelling of 2142405202 in words is "two billion, one hundred forty-two million, four hundred five thousand, two hundred two".

Divisors: 1 2 7 14 153028943 306057886 1071202601 2142405202