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540464656117745 = 51069101115931921
BaseRepresentation
bin111101011100011001011101…
…1110101110110111111110001
32121212121220202010222010021102
41322320302323311312333301
51031314433103431231440
65153250011351134145
7221561166004040432
oct17270627365667761
92555556663863242
10540464656117745
11147232856548497
1250749807974355
131a2757a1861b08
1497668b3ad5489
154273ad53e1b15
hex1eb8cbbd76ff1

540464656117745 has 8 divisors (see below), whose sum is σ = 649164282939240. Its totient is φ = 431967261162240.

The previous prime is 540464656117697. The next prime is 540464656117747. The reversal of 540464656117745 is 547711656464045.

It can be written as a sum of positive squares in 4 ways, for example, as 2579650364641 + 537885005753104 = 1606129^2 + 23192348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540464656117745 - 230 = 540463582375921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540464656117747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50557960616 + ... + 50557971305.

It is an arithmetic number, because the mean of its divisors is an integer number (81145535367405).

Almost surely, 2540464656117745 is an apocalyptic number.

It is an amenable number.

540464656117745 is a deficient number, since it is larger than the sum of its proper divisors (108699626821495).

540464656117745 is a wasteful number, since it uses less digits than its factorization.

540464656117745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101115932995.

The product of its (nonzero) digits is 338688000, while the sum is 65.

The spelling of 540464656117745 in words is "five hundred forty trillion, four hundred sixty-four billion, six hundred fifty-six million, one hundred seventeen thousand, seven hundred forty-five".

Divisors: 1 5 1069 5345 101115931921 505579659605 108092931223549 540464656117745