Base | Representation |
---|---|
bin | 10010010010101000000… |
… | …011111111101011110111 |
3 | 11110011102000022102022120 |
4 | 102102220003333223313 |
5 | 131043213204220012 |
6 | 2401233534131023 |
7 | 156545252211402 |
oct | 22225003775367 |
9 | 4404360272276 |
10 | 1256950070007 |
11 | 445084600655 |
12 | 183732050a73 |
13 | 916b71cb098 |
14 | 44b9dcd8d39 |
15 | 22a697d558c |
hex | 124a80ffaf7 |
1256950070007 has 8 divisors (see below), whose sum is σ = 1676011495680. Its totient is φ = 837927678840.
The previous prime is 1256950069967. The next prime is 1256950070039. The reversal of 1256950070007 is 7000700596521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1256950070007 - 236 = 1188230593271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1256950070087) 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 7 ways as a sum of consecutive naturals, for example, 9683407 + ... + 9812352.
It is an arithmetic number, because the mean of its divisors is an integer number (209501436960).
Almost surely, 21256950070007 is an apocalyptic number.
1256950070007 is a deficient number, since it is larger than the sum of its proper divisors (419061425673).
1256950070007 is a wasteful number, since it uses less digits than its factorization.
1256950070007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19517253.
The product of its (nonzero) digits is 132300, while the sum is 42.
The spelling of 1256950070007 in words is "one trillion, two hundred fifty-six billion, nine hundred fifty million, seventy thousand, seven".
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