Base | Representation |
---|---|
bin | 1111000010101010010… |
… | …0001101000011011000 |
3 | 220201000012002102222221 |
4 | 3300222210031003120 |
5 | 13213212003441410 |
6 | 314413553353424 |
7 | 24445460134021 |
oct | 3605244150330 |
9 | 821005072887 |
10 | 258412171480 |
11 | 9a656a30191 |
12 | 420b9868874 |
13 | 1b4a2b15658 |
14 | c715b2bc48 |
15 | 6ac65ce4da |
hex | 3c2a90d0d8 |
258412171480 has 64 divisors (see below), whose sum is σ = 590126083200. Its totient is φ = 101821962240.
The previous prime is 258412171463. The next prime is 258412171481. The reversal of 258412171480 is 84171214852.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258412171481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307585 + ... + 2416975.
It is an arithmetic number, because the mean of its divisors is an integer number (9220720050).
Almost surely, 2258412171480 is an apocalyptic number.
258412171480 is a gapful number since it is divisible by the number (20) 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 258412171480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295063041600).
258412171480 is an abundant number, since it is smaller than the sum of its proper divisors (331713911720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258412171480 is a wasteful number, since it uses less digits than its factorization.
258412171480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110284 (or 110280 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 43.
The spelling of 258412171480 in words is "two hundred fifty-eight billion, four hundred twelve million, one hundred seventy-one thousand, four hundred eighty".
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