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428106572319 = 3487293022979
BaseRepresentation
bin1100011101011010010…
…00111110001000011111
31111221000111001011212210
412032231020332020133
524003230240303234
6524400333331503
742633610552356
oct6165510761037
91457014034783
10428106572319
11155616aaa168
126ab78036b93
13314a766121a
1416a12d7499d
15b2091b1be9
hex63ad23e21f

428106572319 has 8 divisors (see below), whose sum is σ = 571980856960. Its totient is φ = 284818334616.

The previous prime is 428106572297. The next prime is 428106572329. The reversal of 428106572319 is 913275601824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428106572319 - 27 = 428106572191 is a prime.

It is a super-2 number, since 2×4281065723192 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428106572329) 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, 146510029 + ... + 146512950.

It is an arithmetic number, because the mean of its divisors is an integer number (71497607120).

It is a 1-persistent number, because it is pandigital, but 2⋅428106572319 = 856213144638 is not.

Almost surely, 2428106572319 is an apocalyptic number.

428106572319 is a deficient number, since it is larger than the sum of its proper divisors (143874284641).

428106572319 is a wasteful number, since it uses less digits than its factorization.

428106572319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293023469.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 428106572319 in words is "four hundred twenty-eight billion, one hundred six million, five hundred seventy-two thousand, three hundred nineteen".

Divisors: 1 3 487 1461 293022979 879068937 142702190773 428106572319