Base | Representation |
---|---|
bin | 100111111011111… |
… | …101100011110100 |
3 | 1201200210001110110 |
4 | 213323331203310 |
5 | 2333011430233 |
6 | 150253023020 |
7 | 22414106301 |
oct | 4773754364 |
9 | 1650701413 |
10 | 670030068 |
11 | 31423a564 |
12 | 168484a70 |
13 | a8a77cc6 |
14 | 64db60a8 |
15 | 3dc52663 |
hex | 27efd8f4 |
670030068 has 12 divisors (see below), whose sum is σ = 1563403520. Its totient is φ = 223343352.
The previous prime is 670029973. The next prime is 670030069. The reversal of 670030068 is 860030076.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (670030069) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27917908 + ... + 27917931.
Almost surely, 2670030068 is an apocalyptic number.
It is an amenable number.
670030068 is an abundant number, since it is smaller than the sum of its proper divisors (893373452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
670030068 is a wasteful number, since it uses less digits than its factorization.
670030068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55835846 (or 55835844 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 670030068 is about 25884.9390186649. The cubic root of 670030068 is about 875.0471018998.
The spelling of 670030068 in words is "six hundred seventy million, thirty thousand, sixty-eight".
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