Search a number
-
+
428828974937 = 11431187763787
BaseRepresentation
bin1100011110110000011…
…00101101111101011001
31111222212211101000222022
412033120030231331121
524011220204144222
6525000141104225
742660532100426
oct6173014557531
91458784330868
10428828974937
1115595785aa20
126b139b58075
13315912154ac
1416a80ca0d4d
15b24c80c042
hex63d832df59

428828974937 has 16 divisors (see below), whose sum is σ = 479096716032. Its totient is φ = 380457082320.

The previous prime is 428828974927. The next prime is 428828974939. The reversal of 428828974937 is 739479828824.

It is a cyclic number.

It is not a de Polignac number, because 428828974937 - 28 = 428828974681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428828974939) 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, 179558 + ... + 943344.

It is an arithmetic number, because the mean of its divisors is an integer number (29943544752).

Almost surely, 2428828974937 is an apocalyptic number.

It is an amenable number.

428828974937 is a deficient number, since it is larger than the sum of its proper divisors (50267741095).

428828974937 is a wasteful number, since it uses less digits than its factorization.

428828974937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765028.

The product of its digits is 390168576, while the sum is 71.

The spelling of 428828974937 in words is "four hundred twenty-eight billion, eight hundred twenty-eight million, nine hundred seventy-four thousand, nine hundred thirty-seven".

Divisors: 1 11 43 473 1187 13057 51041 561451 763787 8401657 32842841 361271251 906615169 9972766859 38984452267 428828974937