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5156156685653 = 531571777348709
BaseRepresentation
bin100101100001000001011…
…1000110011110101010101
3200020220221102110200021022
41023002002320303311111
51133434302102420103
614544412232130525
71041343240455221
oct113020270636525
920226842420238
105156156685653
111708794034776
126b336a536a45
132b52ba00c48c
1413b7b8a91781
158e1cba89138
hex4b082e33d55

5156156685653 has 16 divisors (see below), whose sum is σ = 5289894434160. Its totient is φ = 5023805469696.

The previous prime is 5156156685611. The next prime is 5156156685689. The reversal of 5156156685653 is 3565866516515.

It can be written as a sum of positive squares in 8 ways, for example, as 152605078609 + 5003551607044 = 390647^2 + 2236862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5156156685653 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 (5156156685553) 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, 14612063 + ... + 14960771.

It is an arithmetic number, because the mean of its divisors is an integer number (330618402135).

Almost surely, 25156156685653 is an apocalyptic number.

5156156685653 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5156156685653 is a deficient number, since it is larger than the sum of its proper divisors (133737748507).

5156156685653 is a wasteful number, since it uses less digits than its factorization.

5156156685653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350696.

The product of its digits is 97200000, while the sum is 62.

The spelling of 5156156685653 in words is "five trillion, one hundred fifty-six billion, one hundred fifty-six million, six hundred eighty-five thousand, six hundred fifty-three".

Divisors: 1 53 157 1777 8321 94181 278989 348709 14786417 18481577 54747313 619655893 2901607589 32841762329 97285975201 5156156685653