Search a number
-
+
5128080407 = 9241554927
BaseRepresentation
bin1001100011010100…
…00100110000010111
3111020101101110211222
410301222010300113
541000242033112
62204504320555
7241035651512
oct46152046027
914211343758
105128080407
1121a173878a
12bb147315b
13639554708
143690c1d79
15200306372
hex131a84c17

5128080407 has 4 divisors (see below), whose sum is σ = 5128644576. Its totient is φ = 5127516240.

The previous prime is 5128080389. The next prime is 5128080431. The reversal of 5128080407 is 7040808215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5128080407 - 26 = 5128080343 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 (5128080497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268223 + ... + 286704.

It is an arithmetic number, because the mean of its divisors is an integer number (1282161144).

Almost surely, 25128080407 is an apocalyptic number.

5128080407 is a deficient number, since it is larger than the sum of its proper divisors (564169).

5128080407 is an equidigital number, since it uses as much as digits as its factorization.

5128080407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564168.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 5128080407 is about 71610.6165802250. The cubic root of 5128080407 is about 1724.4539790570.

The spelling of 5128080407 in words is "five billion, one hundred twenty-eight million, eighty thousand, four hundred seven".

Divisors: 1 9241 554927 5128080407