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54965856945 = 354567380231
BaseRepresentation
bin110011001100001110…
…000110101010110001
312020212122221211201110
4303030032012222301
51400032224410240
641130113023533
73654051034536
oct631416065261
9166778854643
1054965856945
112134687a95a
12a79bb54ba9
13524c80590c
142936064d8d
15166a804c80
hexccc386ab1

54965856945 has 16 divisors (see below), whose sum is σ = 87948392832. Its totient is φ = 29314116480.

The previous prime is 54965856931. The next prime is 54965856947.

54965856945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54965856945 - 28 = 54965856689 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54965856947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644980 + ... + 725210.

It is an arithmetic number, because the mean of its divisors is an integer number (5496774552).

Almost surely, 254965856945 is an apocalyptic number.

It is an amenable number.

54965856945 is a deficient number, since it is larger than the sum of its proper divisors (32982535887).

54965856945 is a wasteful number, since it uses less digits than its factorization.

54965856945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125912.

The product of its digits is 233280000, while the sum is 66.

The spelling of 54965856945 in words is "fifty-four billion, nine hundred sixty-five million, eight hundred fifty-six thousand, nine hundred forty-five".

Divisors: 1 3 5 15 45673 80231 137019 228365 240693 401155 685095 1203465 3664390463 10993171389 18321952315 54965856945