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144343240305 = 3511874807517
BaseRepresentation
bin1000011001101110000…
…1110000111001110001
3111210120112021100101020
42012123201300321301
54331103332142210
6150151012330053
713266650204325
oct2063341607161
9453515240336
10144343240305
1156240aa5940
1223b84313929
13107c4640b84
146db43ad985
153b4c197770
hex219b870e71

144343240305 has 16 divisors (see below), whose sum is σ = 251944565184. Its totient is φ = 69984601280.

The previous prime is 144343240303. The next prime is 144343240337. The reversal of 144343240305 is 503042343441.

It is not a de Polignac number, because 144343240305 - 21 = 144343240303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (144343240303) 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, 437403594 + ... + 437403923.

It is an arithmetic number, because the mean of its divisors is an integer number (15746535324).

Almost surely, 2144343240305 is an apocalyptic number.

144343240305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144343240305 is a deficient number, since it is larger than the sum of its proper divisors (107601324879).

144343240305 is a wasteful number, since it uses less digits than its factorization.

144343240305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874807536.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 144343240305 its reverse (503042343441), we get a palindrome (647385583746).

The spelling of 144343240305 in words is "one hundred forty-four billion, three hundred forty-three million, two hundred forty thousand, three hundred five".

Divisors: 1 3 5 11 15 33 55 165 874807517 2624422551 4374037585 9622882687 13122112755 28868648061 48114413435 144343240305