Base | Representation |
---|---|
bin | 1101111111000110110101… |
… | …10101100001001110000000 |
3 | 11000220012200020120221121012 |
4 | 12333203122311201032000 |
5 | 13012400021122132034 |
6 | 145224540021020052 |
7 | 6323010235442546 |
oct | 677433265411600 |
9 | 130805606527535 |
10 | 30755637302144 |
11 | 9888435506297 |
12 | 3548794854628 |
13 | 1421323533c41 |
14 | 78481b979d96 |
15 | 3850585b7cce |
hex | 1bf8dad61380 |
30755637302144 has 32 divisors (see below), whose sum is σ = 61272132270240. Its totient is φ = 15377533516800.
The previous prime is 30755637302129. The next prime is 30755637302147. The reversal of 30755637302144 is 44120373655703.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×307556373021442 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30755637302092 and 30755637302101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30755637302147) 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 3 ways as a sum of consecutive naturals, for example, 4788617 + ... + 9189239.
It is an arithmetic number, because the mean of its divisors is an integer number (1914754133445).
Almost surely, 230755637302144 is an apocalyptic number.
It is an amenable number.
30755637302144 is a deficient number, since it is larger than the sum of its proper divisors (30516494968096).
30755637302144 is an equidigital number, since it uses as much as digits as its factorization.
30755637302144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4455238 (or 4455226 counting only the distinct ones).
The product of its (nonzero) digits is 6350400, while the sum is 50.
The spelling of 30755637302144 in words is "thirty trillion, seven hundred fifty-five billion, six hundred thirty-seven million, three hundred two thousand, one hundred forty-four".
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