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144402013312 = 2728315592557
BaseRepresentation
bin1000011001111100000…
…1111101110010000000
3111210201121212022210021
42012133001331302000
54331213403411222
6150200512143224
713301262601234
oct2063701756200
9453647768707
10144402013312
1156271198977
1223b9bb37b14
131080387b4bb
146dbc10c5c4
153b52406ac7
hex219f07dc80

144402013312 has 64 divisors (see below), whose sum is σ = 288990561600. Its totient is φ = 71871611904.

The previous prime is 144402013279. The next prime is 144402013333. The reversal of 144402013312 is 213310204441.

It is a tau number, because it is divible by the number of its divisors (64).

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 in 7 ways as a sum of consecutive naturals, for example, 56471938 + ... + 56474494.

It is an arithmetic number, because the mean of its divisors is an integer number (4515477525).

Almost surely, 2144402013312 is an apocalyptic number.

It is an amenable number.

144402013312 is an abundant number, since it is smaller than the sum of its proper divisors (144588548288).

144402013312 is a wasteful number, since it uses less digits than its factorization.

144402013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144402013312 its reverse (213310204441), we get a palindrome (357712217753).

The spelling of 144402013312 in words is "one hundred forty-four billion, four hundred two million, thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 283 566 1132 1559 2264 2557 3118 4528 5114 6236 9056 10228 12472 18112 20456 24944 36224 40912 49888 81824 99776 163648 199552 327296 441197 723631 882394 1447262 1764788 2894524 3529576 3986363 5789048 7059152 7972726 11578096 14118304 15945452 23156192 28236608 31890904 46312384 56473216 63781808 92624768 127563616 255127232 510254464 1128140729 2256281458 4512562916 9025125832 18050251664 36100503328 72201006656 144402013312