Base | Representation |
---|---|
bin | 110111111110100010… |
… | …0110000110001111010 |
3 | 102111021122022202201221 |
4 | 1233331010300301322 |
5 | 3432142230013033 |
6 | 131120153302254 |
7 | 11453626102162 |
oct | 1577504606172 |
9 | 374248282657 |
10 | 120210001018 |
11 | 46a87458a88 |
12 | 1b36a10498a |
13 | b449863823 |
14 | 5b651ad5a2 |
15 | 31d863812d |
hex | 1bfd130c7a |
120210001018 has 4 divisors (see below), whose sum is σ = 180315001530. Its totient is φ = 60105000508.
The previous prime is 120210000913. The next prime is 120210001019. The reversal of 120210001018 is 810100012021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 84731641569 + 35478359449 = 291087^2 + 188357^2 .
It is a super-2 number, since 2×1202100010182 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120210000992 and 120210001010.
It is not an unprimeable number, because it can be changed into a prime (120210001019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30052500253 + ... + 30052500256.
Almost surely, 2120210001018 is an apocalyptic number.
120210001018 is a deficient number, since it is larger than the sum of its proper divisors (60105000512).
120210001018 is an equidigital number, since it uses as much as digits as its factorization.
120210001018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60105000511.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 120210001018 its reverse (810100012021), we get a palindrome (930310013039).
The spelling of 120210001018 in words is "one hundred twenty billion, two hundred ten million, one thousand, eighteen".
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