Base | Representation |
---|---|
bin | 11111011100011000110100… |
… | …11011010100111111100100 |
3 | 100001211012122102121011120002 |
4 | 33232030122123110333210 |
5 | 33030333202144313141 |
6 | 403020455214200432 |
7 | 20364366402310220 |
oct | 1756143233247744 |
9 | 301735572534502 |
10 | 69145121869796 |
11 | 2003931075aa15 |
12 | 79089554b3118 |
13 | 2c7748448ba4b |
14 | 13108dad93780 |
15 | 7ed95397be9b |
hex | 3ee31a6d4fe4 |
69145121869796 has 48 divisors (see below), whose sum is σ = 146526720076800. Its totient is φ = 27871087208448.
The previous prime is 69145121869771. The next prime is 69145121869801. The reversal of 69145121869796 is 69796812154196.
It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49788581 + ... + 51158508.
It is an arithmetic number, because the mean of its divisors is an integer number (3052640001600).
Almost surely, 269145121869796 is an apocalyptic number.
It is an amenable number.
69145121869796 is an abundant number, since it is smaller than the sum of its proper divisors (77381598207004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69145121869796 is a wasteful number, since it uses less digits than its factorization.
69145121869796 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100948556 (or 100948554 counting only the distinct ones).
The product of its digits is 352719360, while the sum is 74.
The spelling of 69145121869796 in words is "sixty-nine trillion, one hundred forty-five billion, one hundred twenty-one million, eight hundred sixty-nine thousand, seven hundred ninety-six".
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