Base | Representation |
---|---|
bin | 100111111110100… |
… | …001000111100111 |
3 | 1201202001002110000 |
4 | 213332201013213 |
5 | 2333144400012 |
6 | 150315232343 |
7 | 22422566415 |
oct | 4776410747 |
9 | 1652032400 |
10 | 670700007 |
11 | 31465792a |
12 | 1687486b3 |
13 | a8c50c13 |
14 | 6510c2b5 |
15 | 3dd35ddc |
hex | 27fa11e7 |
670700007 has 10 divisors (see below), whose sum is σ = 1001910008. Its totient is φ = 447133284.
The previous prime is 670699993. The next prime is 670700027. The reversal of 670700007 is 700007076.
It is not a de Polignac number, because 670700007 - 214 = 670683623 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (670700027) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4140043 + ... + 4140204.
Almost surely, 2670700007 is an apocalyptic number.
670700007 is a deficient number, since it is larger than the sum of its proper divisors (331210001).
670700007 is an equidigital number, since it uses as much as digits as its factorization.
670700007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8280259 (or 8280250 counting only the distinct ones).
The product of its (nonzero) digits is 2058, while the sum is 27.
The square root of 670700007 is about 25897.8764959601. The cubic root of 670700007 is about 875.3386474756.
The spelling of 670700007 in words is "six hundred seventy million, seven hundred thousand, seven".
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