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127530311742768 = 2431119471009268063
BaseRepresentation
bin11100111111110011110110…
…111011011111010100110000
3121201112210000200211210121210
4130333303312323133110300
5113203424034301232033
61131122341051320120
735601522003660654
oct3477636673372460
9551483020753553
10127530311742768
11376a93352a7a30
121237828b450040
135621097a17b1c
14236c7000c2a64
15eb2551b3ed63
hex73fcf6edf530

127530311742768 has 320 divisors, whose sum is σ = 386753303347200. Its totient is φ = 35796956590080.

The previous prime is 127530311742761. The next prime is 127530311742773. The reversal of 127530311742768 is 867247113035721.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (127530311742761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 475613505 + ... + 475881567.

It is an arithmetic number, because the mean of its divisors is an integer number (1208604072960).

Almost surely, 2127530311742768 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 127530311742768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193376651673600).

127530311742768 is an abundant number, since it is smaller than the sum of its proper divisors (259222991604432).

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

127530311742768 is a wasteful number, since it uses less digits than its factorization.

127530311742768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269160 (or 269154 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 127530311742768 in words is "one hundred twenty-seven trillion, five hundred thirty billion, three hundred eleven million, seven hundred forty-two thousand, seven hundred sixty-eight".