Base | Representation |
---|---|
bin | 100000001101011101001… |
… | …100011010010001000000 |
3 | 21211121100122111101111010 |
4 | 200031131030122101000 |
5 | 242231142223114330 |
6 | 4412504352120520 |
7 | 315626614642413 |
oct | 40153514322100 |
9 | 7747318441433 |
10 | 2213471691840 |
11 | 783801079502 |
12 | 2b8b9b236140 |
13 | 1309638a8426 |
14 | 791bdc03b7a |
15 | 3c89dec93b0 |
hex | 2035d31a440 |
2213471691840 has 112 divisors (see below), whose sum is σ = 7254475061760. Its totient is φ = 571218493440.
The previous prime is 2213471691833. The next prime is 2213471691853. The reversal of 2213471691840 is 481961743122.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 2213471691840.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37158945 + ... + 37218464.
Almost surely, 22213471691840 is an apocalyptic number.
2213471691840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2213471691840 is an abundant number, since it is smaller than the sum of its proper divisors (5041003369920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213471691840 is a wasteful number, since it uses less digits than its factorization.
2213471691840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74377460 (or 74377450 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 48.
The spelling of 2213471691840 in words is "two trillion, two hundred thirteen billion, four hundred seventy-one million, six hundred ninety-one thousand, eight hundred forty".
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