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16513923190047 = 329947320037497
BaseRepresentation
bin1111000001001111001010…
…0001101000110100011111
32011110201022200220212002120
43300103302201220310133
54131031003314040142
655042220325354023
73323043261035013
oct360236241506437
964421280825076
1016513923190047
11529757413a6a8
121a28613568913
1392a34406087a
144113c7342543
151d987201d7ec
hexf04f2868d1f

16513923190047 has 16 divisors (see below), whose sum is σ = 22780230726240. Its totient is φ = 10628529078272.

The previous prime is 16513923190013. The next prime is 16513923190099. The reversal of 16513923190047 is 74009132931561.

It is a happy number.

16513923190047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16513923190047 - 219 = 16513922665759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16513923190447) 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, 9194598 + ... + 10842899.

It is an arithmetic number, because the mean of its divisors is an integer number (1423764420390).

Almost surely, 216513923190047 is an apocalyptic number.

16513923190047 is a deficient number, since it is larger than the sum of its proper divisors (6266307536193).

16513923190047 is a wasteful number, since it uses less digits than its factorization.

16513923190047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20047002.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 16513923190047 in words is "sixteen trillion, five hundred thirteen billion, nine hundred twenty-three million, one hundred ninety thousand, forty-seven".

Divisors: 1 3 29 87 9473 28419 274717 824151 20037497 60112491 581087413 1743262239 189815209081 569445627243 5504641063349 16513923190047