Base | Representation |
---|---|
bin | 1010101100010110… |
… | …1010010001000000 |
3 | 21102001010210210101 |
4 | 2223011222101000 |
5 | 21334304402101 |
6 | 1152454212144 |
7 | 131062615324 |
oct | 25305522100 |
9 | 7361123711 |
10 | 2870387776 |
11 | 1243293903 |
12 | 681354054 |
13 | 3698a3409 |
14 | 1d3307984 |
15 | 11bee0401 |
hex | ab16a440 |
2870387776 has 63 divisors (see below), whose sum is σ = 5886551727. Its totient is φ = 1388689920.
The previous prime is 2870387761. The next prime is 2870387777. The reversal of 2870387776 is 6777830782.
2870387776 = T7136 + T7137 + ... + T7246.
The square root of 2870387776 is 53576.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 143041600 + 2727346176 = 11960^2 + 52224^2 .
It is a super-2 number, since 2×28703877762 = 16478251969220452352, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2870387777) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15858406 + ... + 15858586.
It is an arithmetic number, because the mean of its divisors is an integer number (93437329).
Almost surely, 22870387776 is an apocalyptic number.
2870387776 is the 53576-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2870387776
2870387776 is an abundant number, since it is smaller than the sum of its proper divisors (3016163951).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2870387776 is an frugal number, since it uses more digits than its factorization.
2870387776 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448 (or 220 counting only the distinct ones).
The product of its (nonzero) digits is 5531904, while the sum is 55.
The cubic root of 2870387776 is about 1421.1727031502.
The spelling of 2870387776 in words is "two billion, eight hundred seventy million, three hundred eighty-seven thousand, seven hundred seventy-six".
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