Base | Representation |
---|---|
bin | 1011011111010011101… |
… | …0101010100101100100 |
3 | 200212110221002100002210 |
4 | 2313310322222211210 |
5 | 11213214413012222 |
6 | 230402025003420 |
7 | 20155215655032 |
oct | 2676472524544 |
9 | 625427070083 |
10 | 197382547812 |
11 | 7678933667a |
12 | 32307023570 |
13 | 157c7c786b8 |
14 | 97a6619552 |
15 | 5203797d0c |
hex | 2df4eaa964 |
197382547812 has 36 divisors (see below), whose sum is σ = 484815717680. Its totient is φ = 62329212432.
The previous prime is 197382547807. The next prime is 197382547847. The reversal of 197382547812 is 218745283791.
It is a happy number.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6693733 + ... + 6723155.
Almost surely, 2197382547812 is an apocalyptic number.
197382547812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
197382547812 is an abundant number, since it is smaller than the sum of its proper divisors (287433169868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197382547812 is an frugal number, since it uses more digits than its factorization.
197382547812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58872 (or 29447 counting only the distinct ones).
The product of its digits is 6773760, while the sum is 57.
Multiplying 197382547812 by its sum of digits (57), we get a square (11250805225284 = 33542222).
197382547812 divided by its sum of digits (57) gives a square (3462851716 = 588462).
The spelling of 197382547812 in words is "one hundred ninety-seven billion, three hundred eighty-two million, five hundred forty-seven thousand, eight hundred twelve".
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