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428419919270 = 2577186201191
BaseRepresentation
bin1100011101111111101…
…00010010110110100110
31111221211022122212002102
412032333310102312212
524004400444404040
6524451405412102
742644434141340
oct6167764226646
91457738585072
10428419919270
1115576796a392
126b044b6a032
1331527553115
1416a42820290
15b22695a515
hex63bfd12da6

428419919270 has 32 divisors (see below), whose sum is σ = 893733958656. Its totient is φ = 144817999200.

The previous prime is 428419919267. The next prime is 428419919297. The reversal of 428419919270 is 72919914824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43095626 + ... + 43105565.

It is an arithmetic number, because the mean of its divisors is an integer number (27929186208).

Almost surely, 2428419919270 is an apocalyptic number.

428419919270 is an abundant number, since it is smaller than the sum of its proper divisors (465314039386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428419919270 is a wasteful number, since it uses less digits than its factorization.

428419919270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86201276.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 428419919270 in words is "four hundred twenty-eight billion, four hundred nineteen million, nine hundred nineteen thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 71 142 355 497 710 994 2485 4970 86201191 172402382 431005955 603408337 862011910 1206816674 3017041685 6034083370 6120284561 12240569122 30601422805 42841991927 61202845610 85683983854 214209959635 428419919270