Base | Representation |
---|---|
bin | 100000101000100110… |
… | …0001111100000100100 |
3 | 20200220002222012120020 |
4 | 1001101030033200210 |
5 | 2122011344443414 |
6 | 52110044435140 |
7 | 5030455054362 |
oct | 1012114174044 |
9 | 220802865506 |
10 | 70081640484 |
11 | 277a3293849 |
12 | 116ba248ab0 |
13 | 67bb33062b |
14 | 356b7c8632 |
15 | 1c5288a7a9 |
hex | 105130f824 |
70081640484 has 24 divisors (see below), whose sum is σ = 163529364768. Its totient is φ = 23359755840.
The previous prime is 70081640471. The next prime is 70081640501. The reversal of 70081640484 is 48404618007.
It is a happy number.
It is a super-2 number, since 2×700816404842 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352839 + ... + 514449.
It is an arithmetic number, because the mean of its divisors is an integer number (6813723532).
Almost surely, 270081640484 is an apocalyptic number.
It is an amenable number.
70081640484 is an abundant number, since it is smaller than the sum of its proper divisors (93447724284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70081640484 is a wasteful number, since it uses less digits than its factorization.
70081640484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197755 (or 197753 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 42.
The spelling of 70081640484 in words is "seventy billion, eighty-one million, six hundred forty thousand, four hundred eighty-four".
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