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2428019659 = 13186770743
BaseRepresentation
bin1001000010111000…
…1010001111001011
320021012202011211001
42100232022033023
514433033112114
61040532515431
7114111553342
oct22056121713
96235664731
102428019659
11103661011a
1257917bb77
132c9049430
14190674b59
15e325d374
hex90b8a3cb

2428019659 has 4 divisors (see below), whose sum is σ = 2614790416. Its totient is φ = 2241248904.

The previous prime is 2428019641. The next prime is 2428019669. The reversal of 2428019659 is 9569108242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9569108242 = 24784554121.

It is a cyclic number.

It is not a de Polignac number, because 2428019659 - 211 = 2428017611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428019609) 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, 93385359 + ... + 93385384.

It is an arithmetic number, because the mean of its divisors is an integer number (653697604).

Almost surely, 22428019659 is an apocalyptic number.

2428019659 is a deficient number, since it is larger than the sum of its proper divisors (186770757).

2428019659 is a wasteful number, since it uses less digits than its factorization.

2428019659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186770756.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2428019659 is about 49274.9394621647. The cubic root of 2428019659 is about 1344.0561103260.

The spelling of 2428019659 in words is "two billion, four hundred twenty-eight million, nineteen thousand, six hundred fifty-nine".

Divisors: 1 13 186770743 2428019659