Base | Representation |
---|---|
bin | 11011111110010101101111… |
… | …110101001010111101110010 |
3 | 121010121200001212110022002221 |
4 | 123332111233311022331302 |
5 | 112111220411341402232 |
6 | 1113355432025231254 |
7 | 34625466120405022 |
oct | 3376255765127562 |
9 | 533550055408087 |
10 | 123031214403442 |
11 | 36224277128224 |
12 | 1197033493252a |
13 | 5385a41aba087 |
14 | 2254a577ada82 |
15 | e354ce406897 |
hex | 6fe56fd4af72 |
123031214403442 has 16 divisors (see below), whose sum is σ = 195460448547672. Its totient is φ = 57879877167360.
The previous prime is 123031214403373. The next prime is 123031214403451. The reversal of 123031214403442 is 244304412130321.
123031214403442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 123019131777201 + 12082626241 = 11091399^2 + 109921^2 .
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a junction number, because it is equal to n+sod(n) for n = 123031214403398 and 123031214403407.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536286909 + ... + 536516272.
Almost surely, 2123031214403442 is an apocalyptic number.
123031214403442 is a deficient number, since it is larger than the sum of its proper divisors (72429234144230).
123031214403442 is a wasteful number, since it uses less digits than its factorization.
123031214403442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1072806573.
The product of its (nonzero) digits is 55296, while the sum is 34.
Adding to 123031214403442 its reverse (244304412130321), we get a palindrome (367335626533763).
The spelling of 123031214403442 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred fourteen million, four hundred three thousand, four hundred forty-two".
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