Base | Representation |
---|---|
bin | 1001010101011111… |
… | …01110010001010101 |
3 | 110221022012002222120 |
4 | 10222233232101111 |
5 | 40231100330121 |
6 | 2145203050153 |
7 | 235130215452 |
oct | 45257562125 |
9 | 13838162876 |
10 | 5012120661 |
11 | 2142236489 |
12 | b7a670959 |
13 | 61b513792 |
14 | 357938829 |
15 | 1e504cbc6 |
hex | 12abee455 |
5012120661 has 8 divisors (see below), whose sum is σ = 6693255744. Its totient is φ = 3336199680.
The previous prime is 5012120627. The next prime is 5012120671. The reversal of 5012120661 is 1660212105.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 5012120661 - 211 = 5012118613 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5012120671) 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, 1301281 + ... + 1305126.
It is an arithmetic number, because the mean of its divisors is an integer number (836656968).
Almost surely, 25012120661 is an apocalyptic number.
It is an amenable number.
5012120661 is a deficient number, since it is larger than the sum of its proper divisors (1681135083).
5012120661 is a wasteful number, since it uses less digits than its factorization.
5012120661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2607051.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 5012120661 is about 70796.3322566925. The cubic root of 5012120661 is about 1711.3565675923.
Adding to 5012120661 its reverse (1660212105), we get a palindrome (6672332766).
The spelling of 5012120661 in words is "five billion, twelve million, one hundred twenty thousand, six hundred sixty-one".
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