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12407757517271 = 475941161108707
BaseRepresentation
bin1011010010001110011111…
…1110101011000111010111
31121221011120221210011220202
42310203213332223013113
53111242041411023041
642220013424451115
72420300540510654
oct264434776530727
947834527704822
1012407757517271
113a541117157a6
121484858a79a9b
136c007b26111c
1430c778168c2b
15167b4a8b7a9b
hexb48e7fab1d7

12407757517271 has 16 divisors (see below), whose sum is σ = 12886959444480. Its totient is φ = 11937536345280.

The previous prime is 12407757517241. The next prime is 12407757517321. The reversal of 12407757517271 is 17271575770421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12407757517271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407757517241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114085100 + ... + 114193806.

It is an arithmetic number, because the mean of its divisors is an integer number (805434965280).

Almost surely, 212407757517271 is an apocalyptic number.

12407757517271 is a deficient number, since it is larger than the sum of its proper divisors (479201927209).

12407757517271 is a wasteful number, since it uses less digits than its factorization.

12407757517271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149974.

The product of its (nonzero) digits is 6722800, while the sum is 56.

The spelling of 12407757517271 in words is "twelve trillion, four hundred seven billion, seven hundred fifty-seven million, five hundred seventeen thousand, two hundred seventy-one".

Divisors: 1 47 59 2773 41161 108707 1934567 2428499 5109229 6413713 114139453 301444511 4474488827 210300974869 263994840793 12407757517271