Base | Representation |
---|---|
bin | 110111111110010101… |
… | …0110111000100010111 |
3 | 102111021011112210121221 |
4 | 1233330222313010113 |
5 | 3432134010223111 |
6 | 131115351551211 |
7 | 11453514302251 |
oct | 1577452670427 |
9 | 374234483557 |
10 | 120203211031 |
11 | 46a83640622 |
12 | 1b36798b507 |
13 | b448327097 |
14 | 5b64322cd1 |
15 | 31d7c46371 |
hex | 1bfcab7117 |
120203211031 has 8 divisors (see below), whose sum is σ = 120914360784. Its totient is φ = 119494108800.
The previous prime is 120203211001. The next prime is 120203211049. The reversal of 120203211031 is 130112302021.
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 120203211031 - 225 = 120169656599 is a prime.
It is a super-2 number, since 2×1202032110312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120203210996 and 120203211014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120203211001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394041 + ... + 629026.
It is an arithmetic number, because the mean of its divisors is an integer number (15114295098).
Almost surely, 2120203211031 is an apocalyptic number.
120203211031 is a deficient number, since it is larger than the sum of its proper divisors (711149753).
120203211031 is a wasteful number, since it uses less digits than its factorization.
120203211031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1023761.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 120203211031 its reverse (130112302021), we get a palindrome (250315513052).
The spelling of 120203211031 in words is "one hundred twenty billion, two hundred three million, two hundred eleven thousand, thirty-one".
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