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428683396517 = 835164860199
BaseRepresentation
bin1100011110011111000…
…01011000010110100101
31111222111200102212220222
412033033201120112211
524010420422142032
6524533500534125
742654113514515
oct6171741302645
91458450385828
10428683396517
11155892668782
126b0b9251345
133156a00400c
1416a69807845
15b23eb52a12
hex63cf8585a5

428683396517 has 4 divisors (see below), whose sum is σ = 433848256800. Its totient is φ = 423518536236.

The previous prime is 428683396499. The next prime is 428683396543. The reversal of 428683396517 is 715693386824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-428683396517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428683396517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428683396567) 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, 2582430017 + ... + 2582430182.

It is an arithmetic number, because the mean of its divisors is an integer number (108462064200).

Almost surely, 2428683396517 is an apocalyptic number.

It is an amenable number.

428683396517 is a deficient number, since it is larger than the sum of its proper divisors (5164860283).

428683396517 is an equidigital number, since it uses as much as digits as its factorization.

428683396517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164860282.

The product of its digits is 52254720, while the sum is 62.

The spelling of 428683396517 in words is "four hundred twenty-eight billion, six hundred eighty-three million, three hundred ninety-six thousand, five hundred seventeen".

Divisors: 1 83 5164860199 428683396517