Base | Representation |
---|---|
bin | 1011000110000011110… |
… | …01100101101001000010 |
3 | 1100102222012021201000121 |
4 | 11203001321211221002 |
5 | 22221204304033442 |
6 | 451043042010454 |
7 | 36353513262403 |
oct | 5430171455102 |
9 | 1312865251017 |
10 | 381210221122 |
11 | 137741260425 |
12 | 61a6a646a2a |
13 | 29c428c62a3 |
14 | 1464490b9aa |
15 | 9db2036967 |
hex | 58c1e65a42 |
381210221122 has 16 divisors (see below), whose sum is σ = 573810883200. Its totient is φ = 189940781520.
The previous prime is 381210221089. The next prime is 381210221167. The reversal of 381210221122 is 221122012183.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682279 + ... + 1108117.
It is an arithmetic number, because the mean of its divisors is an integer number (35863180200).
Almost surely, 2381210221122 is an apocalyptic number.
381210221122 is a deficient number, since it is larger than the sum of its proper divisors (192600662078).
381210221122 is a wasteful number, since it uses less digits than its factorization.
381210221122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427401.
The product of its (nonzero) digits is 768, while the sum is 25.
The spelling of 381210221122 in words is "three hundred eighty-one billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".
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