Base | Representation |
---|---|
bin | 100000101110001110… |
… | …0111111110001000000 |
3 | 20201101021111102100122 |
4 | 1001130130333301000 |
5 | 2122403232104244 |
6 | 52140514235412 |
7 | 5035241042642 |
oct | 1013434776100 |
9 | 221337442318 |
10 | 70270581824 |
11 | 2788aa03213 |
12 | 11751585b68 |
13 | 681b515241 |
14 | 358892c892 |
15 | 1c6425d1ee |
hex | 105c73fc40 |
70270581824 has 56 divisors (see below), whose sum is σ = 145573504128. Its totient is φ = 33592064000.
The previous prime is 70270581793. The next prime is 70270581827. The reversal of 70270581824 is 42818507207.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (70270581827) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3547949 + ... + 3567699.
Almost surely, 270270581824 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70270581824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72786752064).
70270581824 is an abundant number, since it is smaller than the sum of its proper divisors (75302922304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70270581824 is a wasteful number, since it uses less digits than its factorization.
70270581824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22203 (or 22193 counting only the distinct ones).
The product of its (nonzero) digits is 250880, while the sum is 44.
The spelling of 70270581824 in words is "seventy billion, two hundred seventy million, five hundred eighty-one thousand, eight hundred twenty-four".
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