Base | Representation |
---|---|
bin | 1101110001000110101000… |
… | …11000001111000011101000 |
3 | 10222012012202102222212221101 |
4 | 12320203110120033003220 |
5 | 12432004130103001003 |
6 | 144215524312451144 |
7 | 6243155102246263 |
oct | 670432430170350 |
9 | 128165672885841 |
10 | 30274492625128 |
11 | 9712381918054 |
12 | 348b4963a9ab4 |
13 | 13b7b4589981b |
14 | 7694169cdcda |
15 | 377797e9211d |
hex | 1b88d460f0e8 |
30274492625128 has 16 divisors (see below), whose sum is σ = 56767819322880. Its totient is φ = 15136407472368.
The previous prime is 30274492625123. The next prime is 30274492625149. The reversal of 30274492625128 is 82152629447203.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30274492625123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104701626 + ... + 104990377.
It is an arithmetic number, because the mean of its divisors is an integer number (3547988707680).
It is a 1-persistent number, because it is pandigital, but 2⋅30274492625128 = 60548985250256 is not.
Almost surely, 230274492625128 is an apocalyptic number.
It is an amenable number.
30274492625128 is a deficient number, since it is larger than the sum of its proper divisors (26493326697752).
30274492625128 is a wasteful number, since it uses less digits than its factorization.
30274492625128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209710056 (or 209710052 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 55.
The spelling of 30274492625128 in words is "thirty trillion, two hundred seventy-four billion, four hundred ninety-two million, six hundred twenty-five thousand, one hundred twenty-eight".
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