Base | Representation |
---|---|
bin | 1000011101110110110… |
… | …1101100001001000011 |
3 | 111220102220201122122211 |
4 | 2013131231230021003 |
5 | 4340342114202122 |
6 | 150453120442551 |
7 | 13336322506546 |
oct | 2073555541103 |
9 | 456386648584 |
10 | 145453662787 |
11 | 56760889774 |
12 | 24234179457 |
13 | 109407007b4 |
14 | 707ba6285d |
15 | 3bb48db877 |
hex | 21ddb6c243 |
145453662787 has 16 divisors (see below), whose sum is σ = 154257264000. Its totient is φ = 136677777408.
The previous prime is 145453662779. The next prime is 145453662811. The reversal of 145453662787 is 787266354541.
145453662787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 145453662787 - 23 = 145453662779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145453632787) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41355553 + ... + 41359069.
It is an arithmetic number, because the mean of its divisors is an integer number (9641079000).
Almost surely, 2145453662787 is an apocalyptic number.
145453662787 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
145453662787 is a deficient number, since it is larger than the sum of its proper divisors (8803601213).
145453662787 is a wasteful number, since it uses less digits than its factorization.
145453662787 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6750.
The product of its digits is 33868800, while the sum is 58.
The spelling of 145453662787 in words is "one hundred forty-five billion, four hundred fifty-three million, six hundred sixty-two thousand, seven hundred eighty-seven".
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