Base | Representation |
---|---|
bin | 1000011001000110111… |
… | …0101000110011000100 |
3 | 111210011001221002102111 |
4 | 2012101232220303010 |
5 | 4330234240432240 |
6 | 150122420550404 |
7 | 13262612641345 |
oct | 2062156506304 |
9 | 453131832374 |
10 | 144178842820 |
11 | 5616721a651 |
12 | 23b39252404 |
13 | 1079957095c |
14 | 6d9a6180cc |
15 | 3b3ca221ea |
hex | 2191ba8cc4 |
144178842820 has 24 divisors (see below), whose sum is σ = 315939726144. Its totient is φ = 55164078816.
The previous prime is 144178842811. The next prime is 144178842883. The reversal of 144178842820 is 28248871441.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156715674 + ... + 156716593.
It is an arithmetic number, because the mean of its divisors is an integer number (13164155256).
Almost surely, 2144178842820 is an apocalyptic number.
144178842820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144178842820 is an abundant number, since it is smaller than the sum of its proper divisors (171760883324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144178842820 is a wasteful number, since it uses less digits than its factorization.
144178842820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313432299 (or 313432297 counting only the distinct ones).
The product of its (nonzero) digits is 917504, while the sum is 49.
The spelling of 144178842820 in words is "one hundred forty-four billion, one hundred seventy-eight million, eight hundred forty-two thousand, eight hundred twenty".
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