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2142299168 = 2566946849
BaseRepresentation
bin111111110110000…
…1110010000100000
312112022010001222122
41333230032100200
513341412033133
6552324523412
7104042146112
oct17754162040
95468101878
102142299168
119aa2aa089
124b9550568
13281aab059
1416473b3b2
15c8120498
hex7fb0e420

2142299168 has 12 divisors (see below), whose sum is σ = 4217651550. Its totient is φ = 1071149568.

The previous prime is 2142299129. The next prime is 2142299171. The reversal of 2142299168 is 8619922412.

It can be written as a sum of positive squares in only one way, i.e., 2060070544 + 82228624 = 45388^2 + 9068^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33473393 + ... + 33473456.

Almost surely, 22142299168 is an apocalyptic number.

It is an amenable number.

2142299168 is a deficient number, since it is larger than the sum of its proper divisors (2075352382).

2142299168 is an equidigital number, since it uses as much as digits as its factorization.

2142299168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66946859 (or 66946851 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 2142299168 is about 46284.9777789727. The cubic root of 2142299168 is about 1289.1200793810.

The spelling of 2142299168 in words is "two billion, one hundred forty-two million, two hundred ninety-nine thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 66946849 133893698 267787396 535574792 1071149584 2142299168