Base | Representation |
---|---|
bin | 1001001010101000… |
… | …01110001100000111 |
3 | 110200221202222121211 |
4 | 10211110032030013 |
5 | 40034240302122 |
6 | 2132150352251 |
7 | 232643011333 |
oct | 44524161407 |
9 | 13627688554 |
10 | 4921025287 |
11 | 20a5877152 |
12 | b5405b687 |
13 | 60569a0a9 |
14 | 3497c47c3 |
15 | 1dc056877 |
hex | 12550e307 |
4921025287 has 8 divisors (see below), whose sum is σ = 5046304032. Its totient is φ = 4795996800.
The previous prime is 4921025279. The next prime is 4921025293. The reversal of 4921025287 is 7825201294.
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 4921025287 - 23 = 4921025279 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4921025267) 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, 22414 + ... + 101707.
It is an arithmetic number, because the mean of its divisors is an integer number (630788004).
Almost surely, 24921025287 is an apocalyptic number.
4921025287 is a deficient number, since it is larger than the sum of its proper divisors (125278745).
4921025287 is a wasteful number, since it uses less digits than its factorization.
4921025287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125129.
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 4921025287 is about 70150.0198645731. The cubic root of 4921025287 is about 1700.9251350918.
The spelling of 4921025287 in words is "four billion, nine hundred twenty-one million, twenty-five thousand, two hundred eighty-seven".
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