Base | Representation |
---|---|
bin | 100111111101101… |
… | …000101110000011 |
3 | 1201201121100120000 |
4 | 213331220232003 |
5 | 2333120001440 |
6 | 150310251043 |
7 | 22420615050 |
oct | 4775505603 |
9 | 1651540500 |
10 | 670468995 |
11 | 31450a309 |
12 | 168656a83 |
13 | a8b9ca21 |
14 | 6508c027 |
15 | 3dcdc730 |
hex | 27f68b83 |
670468995 has 80 divisors (see below), whose sum is σ = 1396452288. Its totient is φ = 301397760.
The previous prime is 670468993. The next prime is 670469047. The reversal of 670468995 is 599864076.
It is not a de Polignac number, because 670468995 - 21 = 670468993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (670468991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 170997 + ... + 174873.
Almost surely, 2670468995 is an apocalyptic number.
670468995 is an abundant number, since it is smaller than the sum of its proper divisors (725983293).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
670468995 is a wasteful number, since it uses less digits than its factorization.
670468995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3962 (or 3953 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The square root of 670468995 is about 25893.4160550515. The cubic root of 670468995 is about 875.2381370883.
The spelling of 670468995 in words is "six hundred seventy million, four hundred sixty-eight thousand, nine hundred ninety-five".
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