Base | Representation |
---|---|
bin | 100000111111100010… |
… | …0001011100101101101 |
3 | 20202212202011220102100 |
4 | 1001333010023211231 |
5 | 2130100411413323 |
6 | 52314300445313 |
7 | 5055521636151 |
oct | 1017704134555 |
9 | 222782156370 |
10 | 70851279213 |
11 | 28058777810 |
12 | 11893b49839 |
13 | 68b1912c70 |
14 | 3601acd061 |
15 | 1c9a216943 |
hex | 107f10b96d |
70851279213 has 48 divisors (see below), whose sum is σ = 120736062720. Its totient is φ = 39471062400.
The previous prime is 70851279203. The next prime is 70851279229. The reversal of 70851279213 is 31297215807.
It is not a de Polignac number, because 70851279213 - 210 = 70851278189 is a prime.
It is a super-2 number, since 2×708512792132 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70851279203) 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 47 ways as a sum of consecutive naturals, for example, 192423 + ... + 422763.
It is an arithmetic number, because the mean of its divisors is an integer number (2515334640).
Almost surely, 270851279213 is an apocalyptic number.
It is an amenable number.
70851279213 is a deficient number, since it is larger than the sum of its proper divisors (49884783507).
70851279213 is a wasteful number, since it uses less digits than its factorization.
70851279213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230610 (or 230607 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 45.
It can be divided in two parts, 708 and 51279213, that added together give a square (51279921 = 71612).
The spelling of 70851279213 in words is "seventy billion, eight hundred fifty-one million, two hundred seventy-nine thousand, two hundred thirteen".
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