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144839147816 = 23111645899407
BaseRepresentation
bin1000011011100100010…
…1100000000100101000
3111211212002102001121002
42012321011200010220
54333112310212231
6150312125334132
713315151304656
oct2067105400450
9454762361532
10144839147816
1156475a17560
12240a2407348
13108732c227c
1470201bbdd6
153b7a9a30cb
hex21b9160128

144839147816 has 16 divisors (see below), whose sum is σ = 296261893440. Its totient is φ = 65835976240.

The previous prime is 144839147743. The next prime is 144839147833. The reversal of 144839147816 is 618741938441.

It is an unprimeable number.

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, 822949616 + ... + 822949791.

It is an arithmetic number, because the mean of its divisors is an integer number (18516368340).

Almost surely, 2144839147816 is an apocalyptic number.

It is an amenable number.

144839147816 is an abundant number, since it is smaller than the sum of its proper divisors (151422745624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144839147816 is a wasteful number, since it uses less digits than its factorization.

144839147816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645899424 (or 1645899420 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The spelling of 144839147816 in words is "one hundred forty-four billion, eight hundred thirty-nine million, one hundred forty-seven thousand, eight hundred sixteen".

Divisors: 1 2 4 8 11 22 44 88 1645899407 3291798814 6583597628 13167195256 18104893477 36209786954 72419573908 144839147816