Base | Representation |
---|---|
bin | 1000011100011100001… |
… | …0001001010010110000 |
3 | 111212110101201120000110 |
4 | 2013013002021102300 |
5 | 4334102211232404 |
6 | 150351245021320 |
7 | 13324022264322 |
oct | 2070702112260 |
9 | 455411646013 |
10 | 145073149104 |
11 | 56586013154 |
12 | 24148854840 |
13 | 108ac922880 |
14 | 70432d1612 |
15 | 3b912c6b89 |
hex | 21c70894b0 |
145073149104 has 160 divisors (see below), whose sum is σ = 411473664000. Its totient is φ = 43774848000.
The previous prime is 145073149097. The next prime is 145073149127. The reversal of 145073149104 is 401941370541.
It is a Harshad number since it is a multiple of its sum of digits (39).
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, 7335229 + ... + 7354979.
It is an arithmetic number, because the mean of its divisors is an integer number (2571710400).
Almost surely, 2145073149104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145073149104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205736832000).
145073149104 is an abundant number, since it is smaller than the sum of its proper divisors (266400514896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145073149104 is a wasteful number, since it uses less digits than its factorization.
145073149104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20003 (or 19997 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 145073149104 in words is "one hundred forty-five billion, seventy-three million, one hundred forty-nine thousand, one hundred four".
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