Base | Representation |
---|---|
bin | 111011010000010… |
… | …0101000110100011 |
3 | 12010120020200002110 |
4 | 1312200211012203 |
5 | 13032443031232 |
6 | 525143050403 |
7 | 100161602154 |
oct | 16640450643 |
9 | 5116220073 |
10 | 1988252067 |
11 | 93035322a |
12 | 475a40a03 |
13 | 258bc3019 |
14 | 14c0bb92b |
15 | b9841acc |
hex | 768251a3 |
1988252067 has 8 divisors (see below), whose sum is σ = 2666877696. Its totient is φ = 1317563912.
The previous prime is 1988252039. The next prime is 1988252081. The reversal of 1988252067 is 7602528891.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1988252067 - 26 = 1988252003 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1988259067) 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, 1983783 + ... + 1984784.
It is an arithmetic number, because the mean of its divisors is an integer number (333359712).
Almost surely, 21988252067 is an apocalyptic number.
1988252067 is a deficient number, since it is larger than the sum of its proper divisors (678625629).
1988252067 is a wasteful number, since it uses less digits than its factorization.
1988252067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3968737.
The product of its (nonzero) digits is 483840, while the sum is 48.
The square root of 1988252067 is about 44589.8202171751. The cubic root of 1988252067 is about 1257.4492925390.
The spelling of 1988252067 in words is "one billion, nine hundred eighty-eight million, two hundred fifty-two thousand, sixty-seven".
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