Base | Representation |
---|---|
bin | 100000110100110101… |
… | …1100100010000101001 |
3 | 20201221202002021220022 |
4 | 1001221223210100221 |
5 | 2123332040131004 |
6 | 52214523010225 |
7 | 5043604256444 |
oct | 1015153442051 |
9 | 221852067808 |
10 | 70492505129 |
11 | 279941aa502 |
12 | 117b3969975 |
13 | 68554a71c7 |
14 | 35aa1ba65b |
15 | 1c789982be |
hex | 1069ae4429 |
70492505129 has 8 divisors (see below), whose sum is σ = 71233757448. Its totient is φ = 69751549440.
The previous prime is 70492505119. The next prime is 70492505137. The reversal of 70492505129 is 92150529407.
It can be written as a sum of positive squares in 4 ways, for example, as 40339919104 + 30152586025 = 200848^2 + 173645^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70492505129 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70492505129.
It is not an unprimeable number, because it can be changed into a prime (70492505119) 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, 420899 + ... + 564039.
It is an arithmetic number, because the mean of its divisors is an integer number (8904219681).
Almost surely, 270492505129 is an apocalyptic number.
It is an amenable number.
70492505129 is a deficient number, since it is larger than the sum of its proper divisors (741252319).
70492505129 is a wasteful number, since it uses less digits than its factorization.
70492505129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148315.
The product of its (nonzero) digits is 226800, while the sum is 44.
The spelling of 70492505129 in words is "seventy billion, four hundred ninety-two million, five hundred five thousand, one hundred twenty-nine".
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