Base | Representation |
---|---|
bin | 111110001100100… |
… | …1110110010010000 |
3 | 12101110001000121211 |
4 | 1330121032302100 |
5 | 13233232121234 |
6 | 543031225504 |
7 | 102501053605 |
oct | 17431166220 |
9 | 5343030554 |
10 | 2086988944 |
11 | 981061757 |
12 | 4a2b18294 |
13 | 2734b3901 |
14 | 15b2606ac |
15 | c3347164 |
hex | 7c64ec90 |
2086988944 has 40 divisors (see below), whose sum is σ = 4317937920. Its totient is φ = 975004800.
The previous prime is 2086988941. The next prime is 2086988983. The reversal of 2086988944 is 4498896802.
It is a Harshad number since it is a multiple of its sum of digits (58).
It is not an unprimeable number, because it can be changed into a prime (2086988941) 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, 58162 + ... + 86929.
It is an arithmetic number, because the mean of its divisors is an integer number (107948448).
Almost surely, 22086988944 is an apocalyptic number.
It is an amenable number.
2086988944 is an abundant number, since it is smaller than the sum of its proper divisors (2230948976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2086988944 is a wasteful number, since it uses less digits than its factorization.
2086988944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145159 (or 145153 counting only the distinct ones).
The product of its (nonzero) digits is 7962624, while the sum is 58.
The square root of 2086988944 is about 45683.5741158679. The cubic root of 2086988944 is about 1277.9289718665.
The spelling of 2086988944 in words is "two billion, eighty-six million, nine hundred eighty-eight thousand, nine hundred forty-four".
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