Base | Representation |
---|---|
bin | 11101111000011101010101… |
… | …000100000100101000100111 |
3 | 122020022221001222212000212020 |
4 | 131320131111010010220213 |
5 | 114211214033120434343 |
6 | 1143302541511154223 |
7 | 36453002466201405 |
oct | 3570352504045047 |
9 | 566287058760766 |
10 | 131423131421223 |
11 | 3896a267547664 |
12 | 128a6824975973 |
13 | 58441c0543845 |
14 | 2464cb0906475 |
15 | 102d93d327b83 |
hex | 778755104a27 |
131423131421223 has 8 divisors (see below), whose sum is σ = 175231353578736. Its totient is φ = 87615165105600.
The previous prime is 131423131421209. The next prime is 131423131421227. The reversal of 131423131421223 is 322124131324131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131423131421223 - 25 = 131423131421191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131423131421227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62758638 + ... + 64818923.
It is an arithmetic number, because the mean of its divisors is an integer number (21903919197342).
Almost surely, 2131423131421223 is an apocalyptic number.
131423131421223 is a deficient number, since it is larger than the sum of its proper divisors (43808222157513).
131423131421223 is a wasteful number, since it uses less digits than its factorization.
131423131421223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127920945.
The product of its digits is 20736, while the sum is 33.
Adding to 131423131421223 its reverse (322124131324131), we get a palindrome (453547262745354).
The spelling of 131423131421223 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-one million, four hundred twenty-one thousand, two hundred twenty-three".
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