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2142402302 = 28571249943
BaseRepresentation
bin111111110110010…
…0111011011111110
312112022022022110102
41333230213123332
513341423333202
6552331041102
7104043055565
oct17754473376
95468268412
102142402302
119aa36a617
124b95a0192
13281b15c91
14164766bdc
15c8140d02
hex7fb276fe

2142402302 has 8 divisors (see below), whose sum is σ = 3217355856. Its totient is φ = 1069950352.

The previous prime is 2142402293. The next prime is 2142402307. The reversal of 2142402302 is 2032042412.

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

It is a super-2 number, since 2×21424023022 = 9179775247229798408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142402307) 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 3 ways as a sum of consecutive naturals, for example, 623258 + ... + 626685.

It is an arithmetic number, because the mean of its divisors is an integer number (402169482).

Almost surely, 22142402302 is an apocalyptic number.

2142402302 is a deficient number, since it is larger than the sum of its proper divisors (1074953554).

2142402302 is a wasteful number, since it uses less digits than its factorization.

2142402302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250802.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2142402302 is about 46286.0918851441. The cubic root of 2142402302 is about 1289.1407658751.

Adding to 2142402302 its reverse (2032042412), we get a palindrome (4174444714).

The spelling of 2142402302 in words is "two billion, one hundred forty-two million, four hundred two thousand, three hundred two".

Divisors: 1 2 857 1714 1249943 2499886 1071201151 2142402302