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14948420221 = 719859130843
BaseRepresentation
bin11011110101111111…
…01100101001111101
31102120210002102112101
431322333230221331
5221103243421341
610511152305101
71036302322030
oct157277545175
942523072471
1014948420221
116380aa23a9
122a92242191
131542c59887
14a1b439017
155c7526831
hex37afeca7d

14948420221 has 16 divisors (see below), whose sum is σ = 18004134400. Its totient is φ = 12124343088.

The previous prime is 14948420219. The next prime is 14948420251. The reversal of 14948420221 is 12202484941.

It is a cyclic number.

It is not a de Polignac number, because 14948420221 - 21 = 14948420219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14948420251) 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, 48826 + ... + 179668.

It is an arithmetic number, because the mean of its divisors is an integer number (1125258400).

Almost surely, 214948420221 is an apocalyptic number.

It is an amenable number.

14948420221 is a deficient number, since it is larger than the sum of its proper divisors (3055714179).

14948420221 is a wasteful number, since it uses less digits than its factorization.

14948420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131728.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 14948420221 in words is "fourteen billion, nine hundred forty-eight million, four hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 19 133 859 6013 16321 114247 130843 915901 2486017 17402119 112394137 786758959 2135488603 14948420221