Base | Representation |
---|---|
bin | 1001010011011001011101… |
… | …10010001001111011110010 |
3 | 2200102201221021100111011220 |
4 | 10221230232302021323302 |
5 | 10140134344304140144 |
6 | 111302051044245510 |
7 | 4211010140651352 |
oct | 451545662117362 |
9 | 80381837314156 |
10 | 20457714130674 |
11 | 6578082327a97 |
12 | 2364a130a0896 |
13 | b55200913b52 |
14 | 50a231482b62 |
15 | 2572434a2919 |
hex | 129b2ec89ef2 |
20457714130674 has 32 divisors (see below), whose sum is σ = 41083014853440. Its totient is φ = 6791313000000.
The previous prime is 20457714130673. The next prime is 20457714130781. The reversal of 20457714130674 is 47603141775402.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20457714130673) 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, 12845424 + ... + 14349924.
It is an arithmetic number, because the mean of its divisors is an integer number (1283844214170).
Almost surely, 220457714130674 is an apocalyptic number.
20457714130674 is an abundant number, since it is smaller than the sum of its proper divisors (20625300722766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20457714130674 is a wasteful number, since it uses less digits than its factorization.
20457714130674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1513786.
The product of its (nonzero) digits is 3951360, while the sum is 51.
The spelling of 20457714130674 in words is "twenty trillion, four hundred fifty-seven billion, seven hundred fourteen million, one hundred thirty thousand, six hundred seventy-four".
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