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54679401216 = 28351179907
BaseRepresentation
bin110010111011001001…
…010111001100000000
312020010200221101100000
4302323021113030000
51343440411314331
641041441200000
73644002145616
oct627311271400
9166120841300
1054679401216
112120a107490
12a720030000
13520536a99b
142909db96b6
1516505be0e6
hexcbb257300

54679401216 has 216 divisors, whose sum is σ = 178358491584. Its totient is φ = 16569308160.

The previous prime is 54679401173. The next prime is 54679401373. The reversal of 54679401216 is 61210497645.

54679401216 is a `hidden beast` number, since 546 + 7 + 94 + 0 + 1 + 2 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 644335 + ... + 724241.

Almost surely, 254679401216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54679401216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89179245792).

54679401216 is an abundant number, since it is smaller than the sum of its proper divisors (123679090368).

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

54679401216 is an equidigital number, since it uses as much as digits as its factorization.

54679401216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79949 (or 79923 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 54679401216 in words is "fifty-four billion, six hundred seventy-nine million, four hundred one thousand, two hundred sixteen".