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54279544919616 = 26321929171025991
BaseRepresentation
bin11000101011101111100001…
…11111100101011001000000
321010012001222210221020122100
430111313300333211121000
524103304001444411431
6311235402333110400
714301365503144002
oct1425676077453100
9233161883836570
1054279544919616
111632790a051345
1261078a5928400
1324397015b7443
14d59203182372
15641e076194e6
hex315df0fe5640

54279544919616 has 168 divisors, whose sum is σ = 169418347675200. Its totient is φ = 16549843000320.

The previous prime is 54279544919581. The next prime is 54279544919617. The reversal of 54279544919616 is 61691944597245.

54279544919616 is a `hidden beast` number, since 5 + 4 + 2 + 7 + 9 + 544 + 9 + 19 + 61 + 6 = 666.

It is a super-2 number, since 2×542795449196162 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (54279544919617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85195620 + ... + 85830371.

Almost surely, 254279544919616 is an apocalyptic number.

It is an amenable number.

54279544919616 is an abundant number, since it is smaller than the sum of its proper divisors (115138802755584).

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

54279544919616 is a wasteful number, since it uses less digits than its factorization.

54279544919616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171026057 (or 171026044 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 72.

The spelling of 54279544919616 in words is "fifty-four trillion, two hundred seventy-nine billion, five hundred forty-four million, nine hundred nineteen thousand, six hundred sixteen".