Base | Representation |
---|---|
bin | 10001101001101000011… |
… | …010010111010110010000 |
3 | 11021221210100112011100012 |
4 | 101221220122113112100 |
5 | 124333041211104222 |
6 | 2325114041214052 |
7 | 153426412205663 |
oct | 21515032272620 |
9 | 4257710464305 |
10 | 1212932519312 |
11 | 428446871288 |
12 | 1770a8791328 |
13 | 8a4c09c07b7 |
14 | 429c5d296da |
15 | 2184025d1e2 |
hex | 11a68697590 |
1212932519312 has 40 divisors (see below), whose sum is σ = 2486174952000. Its totient is φ = 571659783552.
The previous prime is 1212932519269. The next prime is 1212932519317. The reversal of 1212932519312 is 2139152392121.
It is a self number, because there is not a number n which added to its sum of digits gives 1212932519312.
It is not an unprimeable number, because it can be changed into a prime (1212932519317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9964403 + ... + 10085394.
It is an arithmetic number, because the mean of its divisors is an integer number (62154373800).
Almost surely, 21212932519312 is an apocalyptic number.
It is an amenable number.
1212932519312 is an abundant number, since it is smaller than the sum of its proper divisors (1273242432688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212932519312 is a wasteful number, since it uses less digits than its factorization.
1212932519312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20050023 (or 20050017 counting only the distinct ones).
The product of its digits is 58320, while the sum is 41.
The spelling of 1212932519312 in words is "one trillion, two hundred twelve billion, nine hundred thirty-two million, five hundred nineteen thousand, three hundred twelve".
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