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144695704378 = 272347852189
BaseRepresentation
bin1000011011000010001…
…0010011101100111010
3111211111002111101012011
42012300202103230322
54332314100020003
6150250003040134
713311460123351
oct2066042235472
9454432441164
10144695704378
1156401a53365
122406237004a
131084c67a7b4
14700911c998
153b6d0bb46d
hex21b0893b3a

144695704378 has 4 divisors (see below), whose sum is σ = 217043556570. Its totient is φ = 72347852188.

The previous prime is 144695704343. The next prime is 144695704397. The reversal of 144695704378 is 873407596441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873407596441 = 1093799092037.

It can be written as a sum of positive squares in only one way, i.e., 124127268489 + 20568435889 = 352317^2 + 143417^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36173926093 + ... + 36173926096.

Almost surely, 2144695704378 is an apocalyptic number.

144695704378 is a deficient number, since it is larger than the sum of its proper divisors (72347852192).

144695704378 is an equidigital number, since it uses as much as digits as its factorization.

144695704378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72347852191.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 144695704378 in words is "one hundred forty-four billion, six hundred ninety-five million, seven hundred four thousand, three hundred seventy-eight".

Divisors: 1 2 72347852189 144695704378