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53969447727104 = 2127131741293709
BaseRepresentation
bin11000100010101101111011…
…10000101011000000000000
321002002102120121100200201012
430101112331300223000000
524033213412104231404
6310441115542100052
714240110140406310
oct1421267560530000
9232072517320635
1053969447727104
1116218350296948
126077782a1a628
1324163b28cb710
14d481c701b440
15638d0879ea6e
hex3115bdc2b000

53969447727104 has 832 divisors, whose sum is σ = 144771282996480. Its totient is φ = 19510056714240.

The previous prime is 53969447727101. The next prime is 53969447727113. The reversal of 53969447727104 is 40172774496935.

It is a tau number, because it is divible by the number of its divisors (832).

It is a super-2 number, since 2×539694477271042 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is not an unprimeable number, because it can be changed into a prime (53969447727101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76120518302 + ... + 76120519010.

Almost surely, 253969447727104 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 53969447727104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72385641498240).

53969447727104 is an abundant number, since it is smaller than the sum of its proper divisors (90801835269376).

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

53969447727104 is a wasteful number, since it uses less digits than its factorization.

53969447727104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 68.

The spelling of 53969447727104 in words is "fifty-three trillion, nine hundred sixty-nine billion, four hundred forty-seven million, seven hundred twenty-seven thousand, one hundred four".