Base | Representation |
---|---|
bin | 1000110111011111… |
… | …0001011010101100 |
3 | 20010212210002021000 |
4 | 2031313301122230 |
5 | 14333313122123 |
6 | 1032104040300 |
7 | 112661301210 |
oct | 21567613254 |
9 | 6125702230 |
10 | 2380207788 |
11 | 1011624382 |
12 | 565163090 |
13 | 2bc178c9a |
14 | 18818a940 |
15 | dde66b43 |
hex | 8ddf16ac |
2380207788 has 96 divisors (see below), whose sum is σ = 7062648320. Its totient is φ = 679078080.
The previous prime is 2380207787. The next prime is 2380207847. The reversal of 2380207788 is 8877020832.
It is a super-2 number, since 2×23802077882 = 11330778228111705888, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2380207787) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643023 + ... + 646713.
Almost surely, 22380207788 is an apocalyptic number.
2380207788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2380207788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3531324160).
2380207788 is an abundant number, since it is smaller than the sum of its proper divisors (4682440532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2380207788 is a wasteful number, since it uses less digits than its factorization.
2380207788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4564 (or 4556 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The square root of 2380207788 is about 48787.3732434941. The cubic root of 2380207788 is about 1335.1753033270.
The spelling of 2380207788 in words is "two billion, three hundred eighty million, two hundred seven thousand, seven hundred eighty-eight".
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