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2143313154 = 232313841063
BaseRepresentation
bin111111111000000…
…0101110100000010
312112101000120220200
41333300011310002
513342142010104
6552402350030
7104053601253
oct17760056402
95471016820
102143313154
119aa931994
124b995b316
13282074748
14164922b2a
15c8270b39
hex7fc05d02

2143313154 has 24 divisors (see below), whose sum is σ = 4793647872. Its totient is φ = 691391160.

The previous prime is 2143313147. The next prime is 2143313173. The reversal of 2143313154 is 4513133412.

It is a happy number.

2143313154 is a `hidden beast` number, since 2 + 14 + 331 + 315 + 4 = 666.

It is a super-2 number, since 2×21433131542 = 9187582552218855432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1919974 + ... + 1921089.

It is an arithmetic number, because the mean of its divisors is an integer number (199735328).

Almost surely, 22143313154 is an apocalyptic number.

2143313154 is an abundant number, since it is smaller than the sum of its proper divisors (2650334718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143313154 is a wasteful number, since it uses less digits than its factorization.

2143313154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841102 (or 3841099 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2143313154 is about 46295.9302099007. The cubic root of 2143313154 is about 1289.3234346600.

Adding to 2143313154 its reverse (4513133412), we get a palindrome (6656446566).

The spelling of 2143313154 in words is "two billion, one hundred forty-three million, three hundred thirteen thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 3841063 7682126 11523189 23046378 34569567 69139134 119072953 238145906 357218859 714437718 1071656577 2143313154