Base | Representation |
---|---|
bin | 11011111111101100011100… |
… | …110110000100111011001111 |
3 | 121010221120100221220100212220 |
4 | 123333230130312010323033 |
5 | 112114232042210144211 |
6 | 1113510310001230423 |
7 | 34635303134051220 |
oct | 3377543466047317 |
9 | 533846327810786 |
10 | 123124311412431 |
11 | 3625a7aaa47a7a |
12 | 11986396932413 |
13 | 539175a42ab44 |
14 | 2259369b27247 |
15 | e37b2c5da806 |
hex | 6ffb1cd84ecf |
123124311412431 has 16 divisors (see below), whose sum is σ = 190260505363968. Its totient is φ = 69365809245600.
The previous prime is 123124311412423. The next prime is 123124311412447. The reversal of 123124311412431 is 134214113421321.
It is not a de Polignac number, because 123124311412431 - 23 = 123124311412423 is a prime.
It is a super-2 number, since 2×1231243114124312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123124311412392 and 123124311412401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123124311412411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41289170680 + ... + 41289173661.
It is an arithmetic number, because the mean of its divisors is an integer number (11891281585248).
Almost surely, 2123124311412431 is an apocalyptic number.
123124311412431 is a deficient number, since it is larger than the sum of its proper divisors (67136193951537).
123124311412431 is an equidigital number, since it uses as much as digits as its factorization.
123124311412431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82578344422.
The product of its digits is 13824, while the sum is 33.
Adding to 123124311412431 its reverse (134214113421321), we get a palindrome (257338424833752).
The spelling of 123124311412431 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, three hundred eleven million, four hundred twelve thousand, four hundred thirty-one".
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