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144590246789 = 242035974063
BaseRepresentation
bin1000011010101001000…
…0000001001110000101
3111211012202001120120112
42012222100001032011
54332110100344124
6150231314442405
713306036551002
oct2065220011605
9454182046515
10144590246789
115635847452a
1224032b93405
1310833875b61
146dd910a8a9
153b63bd990e
hex21aa401385

144590246789 has 4 divisors (see below), whose sum is σ = 144596245056. Its totient is φ = 144584248524.

The previous prime is 144590246737. The next prime is 144590246821. The reversal of 144590246789 is 987642095441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 987642095441 = 1571628670971.

It is a cyclic number.

It is not a de Polignac number, because 144590246789 - 220 = 144589198213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144590236789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962829 + ... + 3011234.

It is an arithmetic number, because the mean of its divisors is an integer number (36149061264).

Almost surely, 2144590246789 is an apocalyptic number.

It is an amenable number.

144590246789 is a deficient number, since it is larger than the sum of its proper divisors (5998267).

144590246789 is an equidigital number, since it uses as much as digits as its factorization.

144590246789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998266.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 144590246789 in words is "one hundred forty-four billion, five hundred ninety million, two hundred forty-six thousand, seven hundred eighty-nine".

Divisors: 1 24203 5974063 144590246789