Base | Representation |
---|---|
bin | 1001111100001110… |
… | …0011010100100110 |
3 | 20212222021021102110 |
4 | 2133003203110212 |
5 | 20431114232304 |
6 | 1120443221450 |
7 | 123061643013 |
oct | 23703432446 |
9 | 6788237373 |
10 | 2668508454 |
11 | 114a337997 |
12 | 625817886 |
13 | 336b0b8b1 |
14 | 1b459670a |
15 | 109414289 |
hex | 9f0e3526 |
2668508454 has 8 divisors (see below), whose sum is σ = 5337016920. Its totient is φ = 889502816.
The previous prime is 2668508441. The next prime is 2668508467. The reversal of 2668508454 is 4548058662.
2668508454 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2668508441) and next prime (2668508467).
It is a sphenic number, since it is the product of 3 distinct primes.
2668508454 is an admirable number.
It is a super-4 number, since 4×26685084544 (a number of 39 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222375699 + ... + 222375710.
It is an arithmetic number, because the mean of its divisors is an integer number (667127115).
Almost surely, 22668508454 is an apocalyptic number.
2668508454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2668508454 is a wasteful number, since it uses less digits than its factorization.
2668508454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 444751414.
The product of its (nonzero) digits is 1843200, while the sum is 48.
The square root of 2668508454 is about 51657.6079004826. The cubic root of 2668508454 is about 1387.0417312324.
The spelling of 2668508454 in words is "two billion, six hundred sixty-eight million, five hundred eight thousand, four hundred fifty-four".
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