Base | Representation |
---|---|
bin | 1000011011101001010… |
… | …0110001100010010100 |
3 | 111211220112111211122100 |
4 | 2012322110301202110 |
5 | 4333133120204344 |
6 | 150314151002100 |
7 | 13315523035500 |
oct | 2067224614224 |
9 | 454815454570 |
10 | 144859928724 |
11 | 56486720565 |
12 | 240a9369330 |
13 | 108776b9c74 |
14 | 7022c6b300 |
15 | 3b7c70a569 |
hex | 21ba531894 |
144859928724 has 108 divisors (see below), whose sum is σ = 440645505300. Its totient is φ = 39961345536.
The previous prime is 144859928723. The next prime is 144859928771. The reversal of 144859928724 is 427829958441.
144859928724 is a `hidden beast` number, since 1 + 448 + 5 + 9 + 92 + 87 + 24 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 97801303824 + 47058624900 = 312732^2 + 216930^2 .
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144859928723) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1364709 + ... + 1467020.
It is an arithmetic number, because the mean of its divisors is an integer number (4080050975).
Almost surely, 2144859928724 is an apocalyptic number.
144859928724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
144859928724 is an abundant number, since it is smaller than the sum of its proper divisors (295785576576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144859928724 is a wasteful number, since it uses less digits than its factorization.
144859928724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2831782 (or 2831770 counting only the distinct ones).
The product of its digits is 46448640, while the sum is 63.
The spelling of 144859928724 in words is "one hundred forty-four billion, eight hundred fifty-nine million, nine hundred twenty-eight thousand, seven hundred twenty-four".
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