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144213270661 = 1092731484459
BaseRepresentation
bin1000011001001111000…
…1111110000010000101
3111210020110201012112201
42012103301332002011
54330322044130121
6150130050514501
713263511401145
oct2062361760205
9453213635481
10144213270661
11561846a4809
1223b48895a31
13107a3736165
146da101a925
153b40a72e91
hex2193c7e085

144213270661 has 8 divisors (see below), whose sum is σ = 145589919200. Its totient is φ = 142837596720.

The previous prime is 144213270599. The next prime is 144213270689. The reversal of 144213270661 is 166072312441.

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

It is a cyclic number.

It is not a de Polignac number, because 144213270661 - 217 = 144213139589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144213270661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144213270161) 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 7 ways as a sum of consecutive naturals, for example, 55450 + ... + 539908.

It is an arithmetic number, because the mean of its divisors is an integer number (18198739900).

Almost surely, 2144213270661 is an apocalyptic number.

It is an amenable number.

144213270661 is a deficient number, since it is larger than the sum of its proper divisors (1376648539).

144213270661 is a wasteful number, since it uses less digits than its factorization.

144213270661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487299.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 144213270661 in words is "one hundred forty-four billion, two hundred thirteen million, two hundred seventy thousand, six hundred sixty-one".

Divisors: 1 109 2731 297679 484459 52806031 1323057529 144213270661