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144393407745408 = 27321947591386199
BaseRepresentation
bin100000110101001100110101…
…110001101100110110000000
3200221020212121212000101021200
4200311030311301230312000
5122411220144340323113
61231033225450221200
742262036151665113
oct4065146561546600
9627225555011250
10144393407745408
114200a99a386818
12142404b0124800
1362753171653b3
14279296d09257a
1511a600d269873
hex835335c6cd80

144393407745408 has 192 divisors, whose sum is σ = 437468085600000. Its totient is φ = 45588303940608.

The previous prime is 144393407745407. The next prime is 144393407745437. The reversal of 144393407745408 is 804547704393441.

It is a happy number.

144393407745408 is a `hidden beast` number, since 1 + 4 + 43 + 9 + 3 + 40 + 7 + 7 + 4 + 540 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144393407745407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103471893 + ... + 104858091.

It is an arithmetic number, because the mean of its divisors is an integer number (2278479612500).

Almost surely, 2144393407745408 is an apocalyptic number.

144393407745408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144393407745408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218734042800000).

144393407745408 is an abundant number, since it is smaller than the sum of its proper divisors (293074677854592).

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

144393407745408 is a wasteful number, since it uses less digits than its factorization.

144393407745408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390997 (or 1390982 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 144393407745408 in words is "one hundred forty-four trillion, three hundred ninety-three billion, four hundred seven million, seven hundred forty-five thousand, four hundred eight".