Base | Representation |
---|---|
bin | 111010101101011… |
… | …1101001110000100 |
3 | 12002021220102000120 |
4 | 1311122331032010 |
5 | 13013310011042 |
6 | 523251541540 |
7 | 66550505325 |
oct | 16532751604 |
9 | 5067812016 |
10 | 1970000772 |
11 | 921017813 |
12 | 46b8ba8b0 |
13 | 2551a283c |
14 | 1498ca44c |
15 | b7e38dec |
hex | 756bd384 |
1970000772 has 24 divisors (see below), whose sum is σ = 4744948992. Its totient is φ = 635484000.
The previous prime is 1970000771. The next prime is 1970000779. The reversal of 1970000772 is 2770000791.
It is not an unprimeable number, because it can be changed into a prime (1970000771) 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 7 ways as a sum of consecutive naturals, for example, 2647479 + ... + 2648222.
It is an arithmetic number, because the mean of its divisors is an integer number (197706208).
Almost surely, 21970000772 is an apocalyptic number.
1970000772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1970000772 is an abundant number, since it is smaller than the sum of its proper divisors (2774948220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1970000772 is a wasteful number, since it uses less digits than its factorization.
1970000772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5295739 (or 5295737 counting only the distinct ones).
The product of its (nonzero) digits is 6174, while the sum is 33.
The square root of 1970000772 is about 44384.6907390375. The cubic root of 1970000772 is about 1253.5898452330.
The spelling of 1970000772 in words is "one billion, nine hundred seventy million, seven hundred seventy-two", and thus it is an aban number.
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