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54747463680 = 21833571317
BaseRepresentation
bin110010111111001101…
…000000000000000000
312020022110000022111000
4302333031000000000
51344110322314210
641052312052000
73645456522510
oct627715000000
9166273008430
1054747463680
1121244574858
12a73a994000
1352164ab630
142915055840
151656565ac0
hexcbf340000

54747463680 has 1216 divisors, whose sum is σ = 253671022080. Its totient is φ = 10871635968.

The previous prime is 54747463633. The next prime is 54747463709. The reversal of 54747463680 is 8636474745.

54747463680 is a `hidden beast` number, since 54 + 7 + 474 + 63 + 68 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3220439032 + ... + 3220439048.

Almost surely, 254747463680 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 54747463680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126835511040).

54747463680 is an abundant number, since it is smaller than the sum of its proper divisors (198923558400).

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

54747463680 is an equidigital number, since it uses as much as digits as its factorization.

54747463680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 54747463680 in words is "fifty-four billion, seven hundred forty-seven million, four hundred sixty-three thousand, six hundred eighty".