Base | Representation |
---|---|
bin | 100000001100101010… |
… | …0101111100000111010 |
3 | 20121110210021122101010 |
4 | 1000121110233200322 |
5 | 2113101423012014 |
6 | 51433043134350 |
7 | 4665314142411 |
oct | 1003124574072 |
9 | 217423248333 |
10 | 69144344634 |
11 | 273621a8582 |
12 | 114983743b6 |
13 | 669c0a91c1 |
14 | 34bd120478 |
15 | 1bea443359 |
hex | 101952f83a |
69144344634 has 16 divisors (see below), whose sum is σ = 143057265120. Its totient is φ = 22253352240.
The previous prime is 69144344623. The next prime is 69144344641. The reversal of 69144344634 is 43644344196.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198690472 + ... + 198690819.
It is an arithmetic number, because the mean of its divisors is an integer number (8941079070).
Almost surely, 269144344634 is an apocalyptic number.
69144344634 is an abundant number, since it is smaller than the sum of its proper divisors (73912920486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69144344634 is a wasteful number, since it uses less digits than its factorization.
69144344634 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397381325.
The product of its digits is 2985984, while the sum is 48.
The spelling of 69144344634 in words is "sixty-nine billion, one hundred forty-four million, three hundred forty-four thousand, six hundred thirty-four".
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