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12054213454 = 222147272141
BaseRepresentation
bin10110011100111110…
…01011001101001110
31011010002010111020011
423032133023031032
5144141334312304
65312043343434
7604500060313
oct131637131516
934102114204
1012054213454
11512631aa88
122404b21b7a
1311a14669aa
14824cd0d0a
154a83cdc04
hex2ce7cb34e

12054213454 has 8 divisors (see below), whose sum is σ = 18082203048. Its totient is φ = 6026812440.

The previous prime is 12054213449. The next prime is 12054213467. The reversal of 12054213454 is 45431245021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120542134542 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91777 + ... + 180364.

It is an arithmetic number, because the mean of its divisors is an integer number (2260275381).

Almost surely, 212054213454 is an apocalyptic number.

12054213454 is a deficient number, since it is larger than the sum of its proper divisors (6027989594).

12054213454 is a wasteful number, since it uses less digits than its factorization.

12054213454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294290.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12054213454 its reverse (45431245021), we get a palindrome (57485458475).

The spelling of 12054213454 in words is "twelve billion, fifty-four million, two hundred thirteen thousand, four hundred fifty-four".

Divisors: 1 2 22147 44294 272141 544282 6027106727 12054213454