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12844470158 = 213273520567
BaseRepresentation
bin10111111011001011…
…10000111110001110
31020011011010200121222
423331211300332032
5202301141021113
65522313323342
7633204123602
oct137545607616
936134120558
1012844470158
1154a14065a3
1225a5706552
1312990b7b00
1489bc41502
1550297de08
hex2fd970f8e

12844470158 has 24 divisors (see below), whose sum is σ = 21148595568. Its totient is φ = 5846997312.

The previous prime is 12844470151. The next prime is 12844470203. The reversal of 12844470158 is 85107444821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844470151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235610 + ... + 284957.

It is an arithmetic number, because the mean of its divisors is an integer number (881191482).

Almost surely, 212844470158 is an apocalyptic number.

12844470158 is a deficient number, since it is larger than the sum of its proper divisors (8304125410).

12844470158 is a wasteful number, since it uses less digits than its factorization.

12844470158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520668 (or 520655 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 12844470158 in words is "twelve billion, eight hundred forty-four million, four hundred seventy thousand, one hundred fifty-eight".

Divisors: 1 2 13 26 73 146 169 338 949 1898 12337 24674 520567 1041134 6767371 13534742 38001391 76002782 87975823 175951646 494018083 988036166 6422235079 12844470158