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12054325554 = 2368399611
BaseRepresentation
bin10110011100111111…
…00110100100110010
31011010002100012000000
423032133212210302
5144141401404204
65312050010430
7604501035165
oct131637464462
934102305000
1012054325554
115126397227
122404b76a16
1311a14a5a1b
14824d1dadc
154a8402039
hex2ce7e6932

12054325554 has 56 divisors (see below), whose sum is σ = 27436730832. Its totient is φ = 3969657720.

The previous prime is 12054325529. The next prime is 12054325559. The reversal of 12054325554 is 45552345021.

12054325554 is a `hidden beast` number, since 1 + 20 + 54 + 32 + 5 + 554 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12054325559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 71209 + ... + 170819.

It is an arithmetic number, because the mean of its divisors is an integer number (489941622).

Almost surely, 212054325554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12054325554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13718365416).

12054325554 is an abundant number, since it is smaller than the sum of its proper divisors (15382405278).

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

12054325554 is an frugal number, since it uses more digits than its factorization.

12054325554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99714 (or 99699 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 12054325554 in words is "twelve billion, fifty-four million, three hundred twenty-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 81 83 162 166 243 249 486 498 729 747 1458 1494 2241 4482 6723 13446 20169 40338 60507 99611 121014 199222 298833 597666 896499 1792998 2689497 5378994 8068491 8267713 16136982 16535426 24205473 24803139 48410946 49606278 72616419 74409417 145232838 148818834 223228251 446456502 669684753 1339369506 2009054259 4018108518 6027162777 12054325554