Base | Representation |
---|---|
bin | 1001000110111110101010… |
… | …10111001000101110101010 |
3 | 2121220221112200020002111110 |
4 | 10203133111113020232222 |
5 | 10111142003100111242 |
6 | 110334041523211150 |
7 | 4135123103442300 |
oct | 443372527105652 |
9 | 77827480202443 |
10 | 20031012113322 |
11 | 6423117148861 |
12 | 22b6189516ab6 |
13 | b23bbb267752 |
14 | 4d3712c88270 |
15 | 24b0bc78539c |
hex | 1237d55c8baa |
20031012113322 has 48 divisors (see below), whose sum is σ = 49055539883040. Its totient is φ = 5421928089312.
The previous prime is 20031012113317. The next prime is 20031012113323. The reversal of 20031012113322 is 22331121013002.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (20031012113323) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1792960053 + ... + 1792971224.
It is an arithmetic number, because the mean of its divisors is an integer number (1021990414230).
Almost surely, 220031012113322 is an apocalyptic number.
20031012113322 is an abundant number, since it is smaller than the sum of its proper divisors (29024527769718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20031012113322 is a wasteful number, since it uses less digits than its factorization.
20031012113322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3585931315 (or 3585931308 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 20031012113322 its reverse (22331121013002), we get a palindrome (42362133126324).
The spelling of 20031012113322 in words is "twenty trillion, thirty-one billion, twelve million, one hundred thirteen thousand, three hundred twenty-two".
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