Base | Representation |
---|---|
bin | 11011111111101000101001… |
… | …110001000000111111110011 |
3 | 121010221011211202001211111201 |
4 | 123333220221301000333303 |
5 | 112114200214201102011 |
6 | 1113504353155352031 |
7 | 34635100104026455 |
oct | 3377505161007763 |
9 | 533834752054451 |
10 | 123120233222131 |
11 | 36258aa7a09272 |
12 | 11985638bb2617 |
13 | 539125a5609a2 |
14 | 22590a025c2d5 |
15 | e3798e56ccc1 |
hex | 6ffa29c40ff3 |
123120233222131 has 8 divisors (see below), whose sum is σ = 131425601068800. Its totient is φ = 114997400932680.
The previous prime is 123120233222087. The next prime is 123120233222183. The reversal of 123120233222131 is 131222332021321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123120233222131 - 29 = 123120233221619 is a prime.
It is a super-2 number, since 2×1231202332221312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 123120233222131.
It is not an unprimeable number, because it can be changed into a prime (123120233229131) 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, 45633887911 + ... + 45633890608.
It is an arithmetic number, because the mean of its divisors is an integer number (16428200133600).
Almost surely, 2123120233222131 is an apocalyptic number.
123120233222131 is a deficient number, since it is larger than the sum of its proper divisors (8305367846669).
123120233222131 is an equidigital number, since it uses as much as digits as its factorization.
123120233222131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91267778609.
The product of its (nonzero) digits is 5184, while the sum is 28.
Adding to 123120233222131 its reverse (131222332021321), we get a palindrome (254342565243452).
The spelling of 123120233222131 in words is "one hundred twenty-three trillion, one hundred twenty billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred thirty-one".
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