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2142178310 = 25214217831
BaseRepresentation
bin111111110101111…
…0000110000000110
312112021212221012102
41333223300300012
513341344201220
6552322152102
7104041133546
oct17753606006
95467787172
102142178310
119aa2272a8
124b94b2632
13281a6803c
14164709326
15c80e9775
hex7faf0c06

2142178310 has 8 divisors (see below), whose sum is σ = 3855920976. Its totient is φ = 856871320.

The previous prime is 2142178289. The next prime is 2142178333. The reversal of 2142178310 is 138712412.

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

It is a super-2 number, since 2×21421783102 = 9177855823668912200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107108906 + ... + 107108925.

It is an arithmetic number, because the mean of its divisors is an integer number (481990122).

Almost surely, 22142178310 is an apocalyptic number.

2142178310 is a deficient number, since it is larger than the sum of its proper divisors (1713742666).

2142178310 is a wasteful number, since it uses less digits than its factorization.

2142178310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214217838.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2142178310 is about 46283.6721749690. The cubic root of 2142178310 is about 1289.0958369835.

The spelling of 2142178310 in words is "two billion, one hundred forty-two million, one hundred seventy-eight thousand, three hundred ten".

Divisors: 1 2 5 10 214217831 428435662 1071089155 2142178310