Base | Representation |
---|---|
bin | 111101000000010… |
… | …1111101001110100 |
3 | 12021122211011102101 |
4 | 1322000233221310 |
5 | 13143013444130 |
6 | 535042351444 |
7 | 101504226223 |
oct | 17200575164 |
9 | 5248734371 |
10 | 2047015540 |
11 | 96053a089 |
12 | 49165b584 |
13 | 2681291cb |
14 | 155c16cba |
15 | bea9d1ca |
hex | 7a02fa74 |
2047015540 has 24 divisors (see below), whose sum is σ = 4524982560. Its totient is φ = 775711008.
The previous prime is 2047015519. The next prime is 2047015549. The reversal of 2047015540 is 455107402.
It is a junction number, because it is equal to n+sod(n) for n = 2047015499 and 2047015508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2047015549) 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, 2693062 + ... + 2693821.
It is an arithmetic number, because the mean of its divisors is an integer number (188540940).
Almost surely, 22047015540 is an apocalyptic number.
2047015540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2047015540 is an abundant number, since it is smaller than the sum of its proper divisors (2477967020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2047015540 is a wasteful number, since it uses less digits than its factorization.
2047015540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5386911 (or 5386909 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 28.
The square root of 2047015540 is about 45243.9558394268. The cubic root of 2047015540 is about 1269.7173281234.
The spelling of 2047015540 in words is "two billion, forty-seven million, fifteen thousand, five hundred forty".
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