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54667618489 = 119535214883
BaseRepresentation
bin110010111010011100…
…011010100010111001
312020002212202202110201
4302322130122202321
51343424402242424
641040340442201
73643500042631
oct627234324271
9166085682421
1054667618489
11212034999a0
12a7180a9361
135202aa3863
1429085cd6c1
15164e542d44
hexcba71a8b9

54667618489 has 8 divisors (see below), whose sum is σ = 59699992032. Its totient is φ = 49645676640.

The previous prime is 54667618477. The next prime is 54667618513. The reversal of 54667618489 is 98481676645.

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

It is a cyclic number.

It is not a de Polignac number, because 54667618489 - 225 = 54634064057 is a prime.

It is a super-2 number, since 2×546676184892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54667618489.

It is not an unprimeable number, because it can be changed into a prime (54667618459) 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 7 ways as a sum of consecutive naturals, for example, 2596959 + ... + 2617924.

It is an arithmetic number, because the mean of its divisors is an integer number (7462499004).

Almost surely, 254667618489 is an apocalyptic number.

It is an amenable number.

54667618489 is a deficient number, since it is larger than the sum of its proper divisors (5032373543).

54667618489 is a wasteful number, since it uses less digits than its factorization.

54667618489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215847.

The product of its digits is 69672960, while the sum is 64.

The spelling of 54667618489 in words is "fifty-four billion, six hundred sixty-seven million, six hundred eighteen thousand, four hundred eighty-nine".

Divisors: 1 11 953 10483 5214883 57363713 4969783499 54667618489