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53618487680000 = 21054273130677
BaseRepresentation
bin11000011000100000001101…
…11010010101110000000000
321000211212200121010001022002
430030100012322111300000
524011441130321230000
6310011554310203132
714202544052261015
oct1414200672256000
9230755617101262
1053618487680000
11160a2522511a41
12601b7570534a8
1323bc2811711a9
14d35211c7b70c
1562eb1730c8d5
hex30c406e95c00

53618487680000 has 220 divisors, whose sum is σ = 133991304301272. Its totient is φ = 21438842880000.

The previous prime is 53618487679957. The next prime is 53618487680027. The reversal of 53618487680000 is 8678481635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1747824662 + ... + 1747855338.

Almost surely, 253618487680000 is an apocalyptic number.

53618487680000 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 53618487680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66995652150636).

53618487680000 is an abundant number, since it is smaller than the sum of its proper divisors (80372816621272).

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

53618487680000 is an equidigital number, since it uses as much as digits as its factorization.

53618487680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33448 (or 33415 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 53618487680000 in words is "fifty-three trillion, six hundred eighteen billion, four hundred eighty-seven million, six hundred eighty thousand".