Base | Representation |
---|---|
bin | 10001111001111100110… |
… | …010010101001111110000 |
3 | 11100122000110200120002221 |
4 | 101321330302111033300 |
5 | 130124432234400124 |
6 | 2341132440050424 |
7 | 154616542156552 |
oct | 21717462251760 |
9 | 4318013616087 |
10 | 1230454215664 |
11 | 434918366073 |
12 | 17a578763a14 |
13 | 8c053ac456b |
14 | 437a900b4d2 |
15 | 22018636ce4 |
hex | 11e7cc953f0 |
1230454215664 has 10 divisors (see below), whose sum is σ = 2384005042880. Its totient is φ = 615227107824.
The previous prime is 1230454215583. The next prime is 1230454215703. The reversal of 1230454215664 is 4665124540321.
It is a self number, because there is not a number n which added to its sum of digits gives 1230454215664.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38451694224 + ... + 38451694255.
It is an arithmetic number, because the mean of its divisors is an integer number (238400504288).
Almost surely, 21230454215664 is an apocalyptic number.
It is an amenable number.
1230454215664 is a deficient number, since it is larger than the sum of its proper divisors (1153550827216).
1230454215664 is an equidigital number, since it uses as much as digits as its factorization.
1230454215664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76903388487 (or 76903388481 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 43.
Adding to 1230454215664 its reverse (4665124540321), we get a palindrome (5895578755985).
The spelling of 1230454215664 in words is "one trillion, two hundred thirty billion, four hundred fifty-four million, two hundred fifteen thousand, six hundred sixty-four".
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