Base | Representation |
---|---|
bin | 100000111100100001… |
… | …1000010010101000101 |
3 | 20202121201012102201100 |
4 | 1001321003002111011 |
5 | 2124344040101340 |
6 | 52300252450313 |
7 | 5053154522256 |
oct | 1017103022505 |
9 | 222551172640 |
10 | 70750315845 |
11 | 28006788510 |
12 | 11866179999 |
13 | 6896a22b21 |
14 | 35d252ab2d |
15 | 1c91421830 |
hex | 10790c2545 |
70750315845 has 48 divisors (see below), whose sum is σ = 141651986112. Its totient is φ = 32285345280.
The previous prime is 70750315837. The next prime is 70750315859. The reversal of 70750315845 is 54851305707.
It is a happy number.
It is not a de Polignac number, because 70750315845 - 23 = 70750315837 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 70750315845.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4195407 + ... + 4212236.
It is an arithmetic number, because the mean of its divisors is an integer number (2951083044).
Almost surely, 270750315845 is an apocalyptic number.
It is an amenable number.
70750315845 is an abundant number, since it is smaller than the sum of its proper divisors (70901670267).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70750315845 is a wasteful number, since it uses less digits than its factorization.
70750315845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8407682 (or 8407679 counting only the distinct ones).
The product of its (nonzero) digits is 588000, while the sum is 45.
The spelling of 70750315845 in words is "seventy billion, seven hundred fifty million, three hundred fifteen thousand, eight hundred forty-five".
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