Base | Representation |
---|---|
bin | 111111100000000… |
… | …1001100011111111 |
3 | 12111111101002110200 |
4 | 1333000021203333 |
5 | 13330432324344 |
6 | 551233134543 |
7 | 103542016203 |
oct | 17700114377 |
9 | 5444332420 |
10 | 2130745599 |
11 | 9a3828784 |
12 | 4b56ba453 |
13 | 27c594318 |
14 | 162db0b03 |
15 | c70dc069 |
hex | 7f0098ff |
2130745599 has 48 divisors (see below), whose sum is σ = 3332259840. Its totient is φ = 1308130560.
The previous prime is 2130745597. The next prime is 2130745601. The reversal of 2130745599 is 9955470312.
It is a happy number.
2130745599 is a `hidden beast` number, since 2 + 13 + 0 + 7 + 45 + 599 = 666.
It is a Cunningham number, because it is equal to 461602-1.
It is an interprime number because it is at equal distance from previous prime (2130745597) and next prime (2130745601).
It is not a de Polignac number, because 2130745599 - 21 = 2130745597 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130745597) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1430247 + ... + 1431735.
It is an arithmetic number, because the mean of its divisors is an integer number (69422080).
Almost surely, 22130745599 is an apocalyptic number.
2130745599 is a deficient number, since it is larger than the sum of its proper divisors (1201514241).
2130745599 is a wasteful number, since it uses less digits than its factorization.
2130745599 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1772 (or 1769 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 45.
The square root of 2130745599 is about 46159.9999891681. Note that the first 4 decimals coincide. The cubic root of 2130745599 is about 1286.7984626181.
The spelling of 2130745599 in words is "two billion, one hundred thirty million, seven hundred forty-five thousand, five hundred ninety-nine".
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