Base | Representation |
---|---|
bin | 1000011100101111011… |
… | …0101011110111100011 |
3 | 111212200000220210020000 |
4 | 2013023312223313203 |
5 | 4334233412443300 |
6 | 150403254351043 |
7 | 13326023622654 |
oct | 2071366536743 |
9 | 455600823200 |
10 | 145154031075 |
11 | 56617736a59 |
12 | 2416b95b483 |
13 | 108c3601521 |
14 | 704dd4752b |
15 | 3b98451c00 |
hex | 21cbdabde3 |
145154031075 has 60 divisors (see below), whose sum is σ = 270838554360. Its totient is φ = 76850259840.
The previous prime is 145154031073. The next prime is 145154031097. The reversal of 145154031075 is 570130451541.
145154031075 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 540 + 3 + 107 + 5 = 666.
It is not a de Polignac number, because 145154031075 - 21 = 145154031073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145154031073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 15816 + ... + 539034.
It is an arithmetic number, because the mean of its divisors is an integer number (4513975906).
Almost surely, 2145154031075 is an apocalyptic number.
145154031075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145154031075 is a deficient number, since it is larger than the sum of its proper divisors (125684523285).
145154031075 is a wasteful number, since it uses less digits than its factorization.
145154031075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523378 (or 523364 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
It can be divided in two parts, 14515 and 4031075, that added together give a triangular number (4045590 = T2844).
The spelling of 145154031075 in words is "one hundred forty-five billion, one hundred fifty-four million, thirty-one thousand, seventy-five".
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