Base | Representation |
---|---|
bin | 1000011010011010110… |
… | …0010100010000000000 |
3 | 111211001120201222002000 |
4 | 2012212230110100000 |
5 | 4331444310242104 |
6 | 150221343224000 |
7 | 13304413312050 |
oct | 2064654242000 |
9 | 454046658060 |
10 | 144530555904 |
11 | 56327804919 |
12 | 24016ba8000 |
13 | 108243a67c7 |
14 | 6dd120d560 |
15 | 3b5d848639 |
hex | 21a6b14400 |
144530555904 has 352 divisors, whose sum is σ = 490313160960. Its totient is φ = 41198616576.
The previous prime is 144530555891. The next prime is 144530555933. The reversal of 144530555904 is 409555035441.
It is a happy number.
144530555904 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 3 + 0 + 55 + 590 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 144530555904.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154247724 + ... + 154248660.
Almost surely, 2144530555904 is an apocalyptic number.
144530555904 is a gapful number since it is divisible by the number (14) 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 144530555904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245156580480).
144530555904 is an abundant number, since it is smaller than the sum of its proper divisors (345782605056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144530555904 is an equidigital number, since it uses as much as digits as its factorization.
144530555904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1770 (or 1746 counting only the distinct ones).
The product of its (nonzero) digits is 1080000, while the sum is 45.
The spelling of 144530555904 in words is "one hundred forty-four billion, five hundred thirty million, five hundred fifty-five thousand, nine hundred four".
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