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144703784659 = 71087127914869
BaseRepresentation
bin1000011011000100000…
…1001000011011010011
3111211111122200220020211
42012301001020123103
54332323132102114
6150250452144551
713311615606130
oct2066101103323
9454448626224
10144703784659
1156406572185
1224065008157
1310851249625
14700a223587
153b6db656c4
hex21b10486d3

144703784659 has 16 divisors (see below), whose sum is σ = 165668454400. Its totient is φ = 123812496864.

The previous prime is 144703784609. The next prime is 144703784741. The reversal of 144703784659 is 956487307441.

It is a happy number.

It is not a de Polignac number, because 144703784659 - 27 = 144703784531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144703784609) 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, 9724477 + ... + 9739345.

It is an arithmetic number, because the mean of its divisors is an integer number (10354278400).

Almost surely, 2144703784659 is an apocalyptic number.

144703784659 is a deficient number, since it is larger than the sum of its proper divisors (20964669741).

144703784659 is a wasteful number, since it uses less digits than its factorization.

144703784659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242.

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

The spelling of 144703784659 in words is "one hundred forty-four billion, seven hundred three million, seven hundred eighty-four thousand, six hundred fifty-nine".

Divisors: 1 7 1087 1279 7609 8953 14869 104083 1390273 9731911 16162603 19017451 113138221 133122157 20671969237 144703784659