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2142310330 = 25297387277
BaseRepresentation
bin111111110110001…
…0000111110111010
312112022010122022001
41333230100332322
513341412412310
6552325051214
7104042223466
oct17754207672
95468118261
102142310330
119aa307506
124b9556b0a
13281ab3164
141647414a6
15c812393a
hex7fb10fba

2142310330 has 16 divisors (see below), whose sum is σ = 3989130120. Its totient is φ = 827374912.

The previous prime is 2142310277. The next prime is 2142310441. The reversal of 2142310330 is 330132412.

It can be written as a sum of positive squares in 4 ways, for example, as 1930811481 + 211498849 = 43941^2 + 14543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2142310298 and 2142310307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693349 + ... + 3693928.

Almost surely, 22142310330 is an apocalyptic number.

2142310330 is a deficient number, since it is larger than the sum of its proper divisors (1846819790).

2142310330 is a wasteful number, since it uses less digits than its factorization.

2142310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387313.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2142310330 is about 46285.0983578948. The cubic root of 2142310330 is about 1289.1223182736.

Adding to 2142310330 its reverse (330132412), we get a palindrome (2472442742).

The spelling of 2142310330 in words is "two billion, one hundred forty-two million, three hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 7387277 14774554 36936385 73872770 214231033 428462066 1071155165 2142310330