Base | Representation |
---|---|
bin | 1000010100010111010101… |
… | …1000010110101101111000 |
3 | 1012101100022022022101211012 |
4 | 2011011311120112231320 |
5 | 2144321403400120320 |
6 | 31241332114053052 |
7 | 1632526166116442 |
oct | 205056530265570 |
9 | 35340268271735 |
10 | 9145954691960 |
11 | 2a06860a97499 |
12 | 103866987a188 |
13 | 5145c9315b48 |
14 | 2389490cb492 |
15 | 10cd920864c5 |
hex | 85175616b78 |
9145954691960 has 64 divisors (see below), whose sum is σ = 21023703705600. Its totient is φ = 3579271743616.
The previous prime is 9145954691947. The next prime is 9145954691969. The reversal of 9145954691960 is 691964595419.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9145954691969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4436849 + ... + 6162591.
It is an arithmetic number, because the mean of its divisors is an integer number (328495370400).
Almost surely, 29145954691960 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 9145954691960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10511851852800).
9145954691960 is an abundant number, since it is smaller than the sum of its proper divisors (11877749013640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9145954691960 is a wasteful number, since it uses less digits than its factorization.
9145954691960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1728620 (or 1728616 counting only the distinct ones).
The product of its (nonzero) digits is 94478400, while the sum is 68.
The spelling of 9145954691960 in words is "nine trillion, one hundred forty-five billion, nine hundred fifty-four million, six hundred ninety-one thousand, nine hundred sixty".
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