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12005486958 = 2311171791329
BaseRepresentation
bin10110010111001010…
…10011000101101110
31010222200102221001010
423023211103011232
5144041401040313
65303143130050
7603335645463
oct131345230556
933880387033
1012005486958
11510086a053
1223b0743926
13119433614a
1481c64966a
154a3ea64c3
hex2cb95316e

12005486958 has 16 divisors (see below), whose sum is σ = 24032483280. Its totient is φ = 3998244096.

The previous prime is 12005486929. The next prime is 12005486959. The reversal of 12005486958 is 85968450021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005486959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888963 + ... + 902366.

It is an arithmetic number, because the mean of its divisors is an integer number (1502030205).

Almost surely, 212005486958 is an apocalyptic number.

12005486958 is an abundant number, since it is smaller than the sum of its proper divisors (12026996322).

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

12005486958 is a wasteful number, since it uses less digits than its factorization.

12005486958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792451.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 12005486958 in words is "twelve billion, five million, four hundred eighty-six thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 1117 2234 3351 6702 1791329 3582658 5373987 10747974 2000914493 4001828986 6002743479 12005486958