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68453919360 = 27325139193443
BaseRepresentation
bin111111110000001010…
…111110101010000000
320112200200010101221200
4333300022332222000
52110143200404420
651240341021200
74642231466631
oct776012765200
9215620111850
1068453919360
11270384a8882
12113250b4800
1365bc03cc38
143455559888
151ba9a12b90
hexff02bea80

68453919360 has 384 divisors, whose sum is σ = 239854305600. Its totient is φ = 17988452352.

The previous prime is 68453919307. The next prime is 68453919371. The reversal of 68453919360 is 6391935486.

68453919360 is a `hidden beast` number, since 68 + 4 + 539 + 19 + 36 + 0 = 666.

68453919360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 68453919297 and 68453919306.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154523299 + ... + 154523741.

Almost surely, 268453919360 is an apocalyptic number.

68453919360 is a gapful number since it is divisible by the number (60) 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 68453919360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119927152800).

68453919360 is an abundant number, since it is smaller than the sum of its proper divisors (171400386240).

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

68453919360 is a wasteful number, since it uses less digits than its factorization.

68453919360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 68453919360 in words is "sixty-eight billion, four hundred fifty-three million, nine hundred nineteen thousand, three hundred sixty".