Base | Representation |
---|---|
bin | 100001000001101111… |
… | …0001100100010001001 |
3 | 20210001220021212020001 |
4 | 1002003132030202021 |
5 | 2130223323121224 |
6 | 52325501203001 |
7 | 5060410214110 |
oct | 1020336144211 |
9 | 223056255201 |
10 | 70925207689 |
11 | 28096481326 |
12 | 118b4860461 |
13 | 68c402891b |
14 | 360b854c77 |
15 | 1ca196b544 |
hex | 108378c889 |
70925207689 has 8 divisors (see below), whose sum is σ = 81405267840. Its totient is φ = 60532119456.
The previous prime is 70925207671. The next prime is 70925207699. The reversal of 70925207689 is 98670252907.
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 70925207689 - 25 = 70925207657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70925207609) 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, 21741229 + ... + 21744490.
It is an arithmetic number, because the mean of its divisors is an integer number (10175658480).
Almost surely, 270925207689 is an apocalyptic number.
It is an amenable number.
70925207689 is a deficient number, since it is larger than the sum of its proper divisors (10480060151).
70925207689 is a wasteful number, since it uses less digits than its factorization.
70925207689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43485959.
The product of its (nonzero) digits is 3810240, while the sum is 55.
The spelling of 70925207689 in words is "seventy billion, nine hundred twenty-five million, two hundred seven thousand, six hundred eighty-nine".
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