Base | Representation |
---|---|
bin | 11101100011111001000… |
… | …111101011101011100100 |
3 | 21012012102001012122111121 |
4 | 131203321013223223210 |
5 | 231240303422320140 |
6 | 4153114131543324 |
7 | 266523041662555 |
oct | 35437107535344 |
9 | 7165361178447 |
10 | 2031404104420 |
11 | 713571727299 |
12 | 28984915ab44 |
13 | 1197397b4192 |
14 | 7046b59832c |
15 | 37c9500c64a |
hex | 1d8f91ebae4 |
2031404104420 has 12 divisors (see below), whose sum is σ = 4265948619324. Its totient is φ = 812561641760.
The previous prime is 2031404104399. The next prime is 2031404104453. The reversal of 2031404104420 is 244014041302.
It can be written as a sum of positive squares in 2 ways, for example, as 321570653184 + 1709833451236 = 567072^2 + 1307606^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50785102591 + ... + 50785102630.
It is an arithmetic number, because the mean of its divisors is an integer number (355495718277).
Almost surely, 22031404104420 is an apocalyptic number.
2031404104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2031404104420 is an abundant number, since it is smaller than the sum of its proper divisors (2234544514904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031404104420 is a wasteful number, since it uses less digits than its factorization.
2031404104420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101570205230 (or 101570205228 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 2031404104420 its reverse (244014041302), we get a palindrome (2275418145722).
The spelling of 2031404104420 in words is "two trillion, thirty-one billion, four hundred four million, one hundred four thousand, four hundred twenty".
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