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12054066554 = 253281499811
BaseRepresentation
bin10110011100111101…
…00111010101111010
31011010001212000201102
423032132213111322
5144141320112204
65312040251402
7604465606115
oct131636472572
934101760642
1012054066554
11512622a682
122404a70b62
1311a1414b7a
14824c9357c
154a83a041e
hex2ce7a757a

12054066554 has 32 divisors (see below), whose sum is σ = 18547704000. Its totient is φ = 5873212800.

The previous prime is 12054066553. The next prime is 12054066581. The reversal of 12054066554 is 45566045021.

It is a super-2 number, since 2×120540665542 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12054066553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14862809 + ... + 14863619.

It is an arithmetic number, because the mean of its divisors is an integer number (579615750).

Almost surely, 212054066554 is an apocalyptic number.

12054066554 is a deficient number, since it is larger than the sum of its proper divisors (6493637446).

12054066554 is a wasteful number, since it uses less digits than its factorization.

12054066554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 12054066554 in words is "twelve billion, fifty-four million, sixty-six thousand, five hundred fifty-four".

Divisors: 1 2 53 106 281 499 562 811 998 1622 14893 26447 29786 42983 52894 85966 140219 227891 280438 404689 455782 809378 7431607 12078223 14863214 21448517 24156446 42897034 113717609 227435218 6027033277 12054066554