Base | Representation |
---|---|
bin | 111010101110010… |
… | …1110110001010000 |
3 | 12002022210001000111 |
4 | 1311130232301100 |
5 | 13013414401442 |
6 | 523305531104 |
7 | 66554453314 |
oct | 16534566120 |
9 | 5068701014 |
10 | 1970465872 |
11 | 9213051a1 |
12 | 46baa3a94 |
13 | 25530644b |
14 | 1499abb44 |
15 | b7ecbb17 |
hex | 7572ec50 |
1970465872 has 20 divisors (see below), whose sum is σ = 3828790656. Its totient is φ = 982390880.
The previous prime is 1970465843. The next prime is 1970465873. The reversal of 1970465872 is 2785640791.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1970465873) 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, 171904 + ... + 183007.
Almost surely, 21970465872 is an apocalyptic number.
It is an amenable number.
1970465872 is a deficient number, since it is larger than the sum of its proper divisors (1858324784).
1970465872 is a wasteful number, since it uses less digits than its factorization.
1970465872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355266 (or 355260 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 49.
The square root of 1970465872 is about 44389.9298490097. The cubic root of 1970465872 is about 1253.6884913465.
The spelling of 1970465872 in words is "one billion, nine hundred seventy million, four hundred sixty-five thousand, eight hundred seventy-two".
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