Base | Representation |
---|---|
bin | 1000011001001110110… |
… | …1001111100110011010 |
3 | 111210020101101021021121 |
4 | 2012103231033212122 |
5 | 4330321240010043 |
6 | 150130004155454 |
7 | 13263465021454 |
oct | 2062355174632 |
9 | 453211337247 |
10 | 144212031898 |
11 | 56183a29040 |
12 | 23b48398b8a |
13 | 107a33c136c |
14 | 6da0bb72d4 |
15 | 3b408caded |
hex | 2193b4f99a |
144212031898 has 64 divisors (see below), whose sum is σ = 249986580480. Its totient is φ = 61706232000.
The previous prime is 144212031857. The next prime is 144212031911. The reversal of 144212031898 is 898130212441.
It is a super-2 number, since 2×1442120318982 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65341911 + ... + 65344117.
It is an arithmetic number, because the mean of its divisors is an integer number (3906040320).
Almost surely, 2144212031898 is an apocalyptic number.
144212031898 is a deficient number, since it is larger than the sum of its proper divisors (105774548582).
144212031898 is a wasteful number, since it uses less digits than its factorization.
144212031898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3163.
The product of its (nonzero) digits is 110592, while the sum is 43.
The spelling of 144212031898 in words is "one hundred forty-four billion, two hundred twelve million, thirty-one thousand, eight hundred ninety-eight".
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