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BaseRepresentation
bin10100110010010100100…
…001100001100001000111
312001120000010001001211021
4110302110201201201013
5141400401231131104
63012112454252011
7205125413545510
oct24622441414107
95046003031737
101428420958279
11500876434967
121b0a07357007
13a4912ac3853
144d1c9057a07
1527253329754
hex14c94861847

1428420958279 has 8 divisors (see below), whose sum is σ = 1670445772160. Its totient is φ = 1195887313656.

The previous prime is 1428420958273. The next prime is 1428420958313. The reversal of 1428420958279 is 9728590248241.

It is a happy number.

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

It is not a de Polignac number, because 1428420958279 - 23 = 1428420958271 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 (1428420958271) 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, 2372791989 + ... + 2372792590.

It is an arithmetic number, because the mean of its divisors is an integer number (208805721520).

Almost surely, 21428420958279 is an apocalyptic number.

1428420958279 is a deficient number, since it is larger than the sum of its proper divisors (242024813881).

1428420958279 is an equidigital number, since it uses as much as digits as its factorization.

1428420958279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745584629.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 1428420958279 in words is "one trillion, four hundred twenty-eight billion, four hundred twenty million, nine hundred fifty-eight thousand, two hundred seventy-nine".