Base | Representation |
---|---|
bin | 100000100110010011… |
… | …1111100001001000011 |
3 | 20200200202210020022022 |
4 | 1001030213330021003 |
5 | 2121332240440412 |
6 | 52054310232055 |
7 | 5025534544646 |
oct | 1011447741103 |
9 | 220622706268 |
10 | 70005015107 |
11 | 27764007a95 |
12 | 1169865562b |
13 | 67a84b2281 |
14 | 356155da5d |
15 | 1c4aca1a72 |
hex | 104c9fc243 |
70005015107 has 8 divisors (see below), whose sum is σ = 73354360320. Its totient is φ = 66681140680.
The previous prime is 70005015097. The next prime is 70005015133. The reversal of 70005015107 is 70151050007.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70005015107 - 26 = 70005015043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70005015167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6362069 + ... + 6373062.
It is an arithmetic number, because the mean of its divisors is an integer number (9169295040).
Almost surely, 270005015107 is an apocalyptic number.
70005015107 is a deficient number, since it is larger than the sum of its proper divisors (3349345213).
70005015107 is a wasteful number, since it uses less digits than its factorization.
70005015107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12735393.
The product of its (nonzero) digits is 1225, while the sum is 26.
The spelling of 70005015107 in words is "seventy billion, five million, fifteen thousand, one hundred seven".
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