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2142214142 = 231202917029
BaseRepresentation
bin111111110101111…
…1001011111111110
312112021221202100112
41333223321133332
513341401323032
6552323030022
7104041343165
oct17753713776
95467852315
102142214142
119aa251212
124b950b312
13281a7b443
141647183dc
15c81051b2
hex7faf97fe

2142214142 has 16 divisors (see below), whose sum is σ = 3318806400. Its totient is φ = 1035983520.

The previous prime is 2142214133. The next prime is 2142214153. The reversal of 2142214142 is 2414122412.

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, 117284 + ... + 134312.

It is an arithmetic number, because the mean of its divisors is an integer number (207425400).

Almost surely, 22142214142 is an apocalyptic number.

2142214142 is a deficient number, since it is larger than the sum of its proper divisors (1176592258).

2142214142 is a wasteful number, since it uses less digits than its factorization.

2142214142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19091.

The product of its digits is 1024, while the sum is 23.

The square root of 2142214142 is about 46284.0592645027. The cubic root of 2142214142 is about 1289.1030244686.

Adding to 2142214142 its reverse (2414122412), we get a palindrome (4556336554).

The spelling of 2142214142 in words is "two billion, one hundred forty-two million, two hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 31 62 2029 4058 17029 34058 62899 125798 527899 1055798 34551841 69103682 1071107071 2142214142