Base | Representation |
---|---|
bin | 1000011001000111011… |
… | …0111100010110101110 |
3 | 111210011020000201001200 |
4 | 2012101312330112232 |
5 | 4330240320120303 |
6 | 150122535350330 |
7 | 13262640310134 |
oct | 2062166742656 |
9 | 453136021050 |
10 | 144181020078 |
11 | 56168477437 |
12 | 23b39b223a6 |
13 | 10799b53984 |
14 | 6d9aa23754 |
15 | 3b3cd023a3 |
hex | 2191dbc5ae |
144181020078 has 24 divisors (see below), whose sum is σ = 312561417168. Its totient is φ = 48034308192.
The previous prime is 144181020059. The next prime is 144181020089. The reversal of 144181020078 is 870020181441.
144181020078 is a `hidden beast` number, since 1 + 441 + 8 + 1 + 0 + 200 + 7 + 8 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2135151 + ... + 2201642.
It is an arithmetic number, because the mean of its divisors is an integer number (13023392382).
Almost surely, 2144181020078 is an apocalyptic number.
144181020078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
144181020078 is an abundant number, since it is smaller than the sum of its proper divisors (168380397090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144181020078 is a wasteful number, since it uses less digits than its factorization.
144181020078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4338648 (or 4338645 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 36.
The spelling of 144181020078 in words is "one hundred forty-four billion, one hundred eighty-one million, twenty thousand, seventy-eight".
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