Base | Representation |
---|---|
bin | 10010101111001011100… |
… | …100001001100001101001 |
3 | 11120002112210021020200020 |
4 | 102233023210021201221 |
5 | 132044011240110203 |
6 | 2423304201031053 |
7 | 162012121301166 |
oct | 22571344114151 |
9 | 4502483236606 |
10 | 1287610472553 |
11 | 4570885a8909 |
12 | 18966a185489 |
13 | 9456234a002 |
14 | 4646bd3106d |
15 | 237613ae153 |
hex | 12bcb909869 |
1287610472553 has 8 divisors (see below), whose sum is σ = 1717476069408. Its totient is φ = 858075928704.
The previous prime is 1287610472543. The next prime is 1287610472573. The reversal of 1287610472553 is 3552740167821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1287610472553 - 210 = 1287610471529 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1287610472496 and 1287610472505.
It is not an unprimeable number, because it can be changed into a prime (1287610472513) 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 7 ways as a sum of consecutive naturals, for example, 82754175 + ... + 82769732.
It is an arithmetic number, because the mean of its divisors is an integer number (214684508676).
Almost surely, 21287610472553 is an apocalyptic number.
It is an amenable number.
1287610472553 is a deficient number, since it is larger than the sum of its proper divisors (429865596855).
1287610472553 is a wasteful number, since it uses less digits than its factorization.
1287610472553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165526503.
The product of its (nonzero) digits is 2822400, while the sum is 51.
The spelling of 1287610472553 in words is "one trillion, two hundred eighty-seven billion, six hundred ten million, four hundred seventy-two thousand, five hundred fifty-three".
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