Base | Representation |
---|---|
bin | 110111111011100100… |
… | …0111011101111110101 |
3 | 102111000200222002122200 |
4 | 1233313020323233311 |
5 | 3431441232244341 |
6 | 131102235215113 |
7 | 11451306551214 |
oct | 1576710735765 |
9 | 374020862580 |
10 | 120110431221 |
11 | 46a362307a0 |
12 | 1b3408a7499 |
13 | b432040aa1 |
14 | 5b55c9107b |
15 | 31cea1adb6 |
hex | 1bf723bbf5 |
120110431221 has 12 divisors (see below), whose sum is σ = 189264922080. Its totient is φ = 72794200680.
The previous prime is 120110431219. The next prime is 120110431289. The reversal of 120110431221 is 122134011021.
120110431221 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 10 + 431 + 221 = 666.
It is not a de Polignac number, because 120110431221 - 21 = 120110431219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120110431194 and 120110431203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120110431621) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606618241 + ... + 606618438.
It is an arithmetic number, because the mean of its divisors is an integer number (15772076840).
Almost surely, 2120110431221 is an apocalyptic number.
120110431221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
120110431221 is a deficient number, since it is larger than the sum of its proper divisors (69154490859).
120110431221 is a wasteful number, since it uses less digits than its factorization.
120110431221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1213236696 (or 1213236693 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 120110431221 its reverse (122134011021), we get a palindrome (242244442242).
The spelling of 120110431221 in words is "one hundred twenty billion, one hundred ten million, four hundred thirty-one thousand, two hundred twenty-one".
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