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69540052608 = 273513229751
BaseRepresentation
bin100000011000011101…
…0001111111010000000
320122111100212200200000
41000300322033322000
52114404223140413
651540220400000
75011160460105
oct1006072177200
9218440780600
1069540052608
1127545601864
12115889a6000
136733077030
1435198c8aac
151c2005a073
hex1030e8fe80

69540052608 has 384 divisors, whose sum is σ = 224758060800. Its totient is φ = 21275136000.

The previous prime is 69540052591. The next prime is 69540052633. The reversal of 69540052608 is 80625004596.

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

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, 92596233 + ... + 92596983.

It is an arithmetic number, because the mean of its divisors is an integer number (585307450).

Almost surely, 269540052608 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 69540052608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112379030400).

69540052608 is an abundant number, since it is smaller than the sum of its proper divisors (155218008192).

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

69540052608 is a wasteful number, since it uses less digits than its factorization.

69540052608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 69540052608 in words is "sixty-nine billion, five hundred forty million, fifty-two thousand, six hundred eight".