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2143344134 = 219467120779
BaseRepresentation
bin111111111000000…
…1101011000000110
312112101002011102002
41333300031120012
513342144003014
6552403145302
7104054060501
oct17760153006
95471064362
102143344134
119aa953198
124b9975232
13282085889
14164930138
15c8279dde
hex7fc0d606

2143344134 has 16 divisors (see below), whose sum is σ = 3391502400. Its totient is φ = 1013085864.

The previous prime is 2143344097. The next prime is 2143344193. The reversal of 2143344134 is 4314433412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2143344097 and 2143344106.

It is a congruent number.

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, 42644 + ... + 78135.

It is an arithmetic number, because the mean of its divisors is an integer number (211968900).

Almost surely, 22143344134 is an apocalyptic number.

2143344134 is a deficient number, since it is larger than the sum of its proper divisors (1248158266).

2143344134 is a wasteful number, since it uses less digits than its factorization.

2143344134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121267.

The product of its digits is 13824, while the sum is 29.

The square root of 2143344134 is about 46296.2647953374. The cubic root of 2143344134 is about 1289.3296467010.

Adding to 2143344134 its reverse (4314433412), we get a palindrome (6457777546).

The spelling of 2143344134 in words is "two billion, one hundred forty-three million, three hundred forty-four thousand, one hundred thirty-four".

Divisors: 1 2 19 38 467 934 8873 17746 120779 241558 2294801 4589602 56403793 112807586 1071672067 2143344134