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54647040000000 = 214357719107
BaseRepresentation
bin11000110110011100000010…
…11010000100000000000000
321011111012120011202121112110
430123032001122010000000
524130314114220000000
6312120300440055320
714340055410610350
oct1433160132040000
9234435504677473
1054647040000000
1116459752486508
126166b67164540
1324652698cac26
14d6cd06368b60
1564b76553a850
hex31b381684000

54647040000000 has 1920 divisors, whose sum is σ = 221176683786240. Its totient is φ = 11722752000000.

The previous prime is 54647039999963. The next prime is 54647040000001. The reversal of 54647040000000 is 4074645.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54647040000001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 510719999947 + ... + 510720000053.

It is an arithmetic number, because the mean of its divisors is an integer number (115196189472).

Almost surely, 254647040000000 is an apocalyptic number.

54647040000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54647040000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110588341893120).

54647040000000 is an abundant number, since it is smaller than the sum of its proper divisors (166529643786240).

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

54647040000000 is an frugal number, since it uses more digits than its factorization.

54647040000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 54647040000000 its reverse (4074645), we get a palindrome (54647044074645).

The spelling of 54647040000000 in words is "fifty-four trillion, six hundred forty-seven billion, forty million", and thus it is an aban number.